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4040048220 = 22351310748407
BaseRepresentation
bin1111000011001110…
…0011111001011100
3101102120001201021120
43300303203321130
531233223020340
61504520130540
7202054562145
oct36063437134
911376051246
104040048220
11179355802a
12949006a50
134c50041a0
142a47baacc
15189a364d0
hexf0ce3e5c

4040048220 has 96 divisors (see below), whose sum is σ = 12296406528. Its totient is φ = 985158912.

The previous prime is 4040048191. The next prime is 4040048281. The reversal of 4040048220 is 228400404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59257 + ... + 107663.

It is an arithmetic number, because the mean of its divisors is an integer number (128087568).

Almost surely, 24040048220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4040048220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6148203264).

4040048220 is an abundant number, since it is smaller than the sum of its proper divisors (8256358308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4040048220 is a wasteful number, since it uses less digits than its factorization.

4040048220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48539 (or 48537 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 4040048220 is about 63561.3736478374. The cubic root of 4040048220 is about 1592.6811848657.

Adding to 4040048220 its reverse (228400404), we get a palindrome (4268448624).

The spelling of 4040048220 in words is "four billion, forty million, forty-eight thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 107 130 156 195 214 260 321 390 428 535 642 780 1070 1284 1391 1605 2140 2782 3210 4173 5564 6420 6955 8346 13910 16692 20865 27820 41730 48407 83460 96814 145221 193628 242035 290442 484070 580884 629291 726105 968140 1258582 1452210 1887873 2517164 2904420 3146455 3775746 5179549 6292910 7551492 9439365 10359098 12585820 15538647 18878730 20718196 25897745 31077294 37757460 51795490 62154588 67334137 77693235 103590980 134668274 155386470 202002411 269336548 310772940 336670685 404004822 673341370 808009644 1010012055 1346682740 2020024110 4040048220