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2628450040 = 235157571733
BaseRepresentation
bin1001110010101010…
…1111011011111000
320210011220002121111
42130222233123320
520340340400130
61112452450104
7122064312436
oct23452573370
96704802544
102628450040
111129767467
12614319934
1332b7245a8
141ad129d56
15105b5002a
hex9caaf6f8

2628450040 has 64 divisors (see below), whose sum is σ = 5970238560. Its totient is φ = 1041431040.

The previous prime is 2628450029. The next prime is 2628450091. The reversal of 2628450040 is 400548262.

It is a super-2 number, since 2×26284500402 = 13817499225552003200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2628449984 and 2628450011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3585514 + ... + 3586246.

Almost surely, 22628450040 is an apocalyptic number.

2628450040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2628450040 is an abundant number, since it is smaller than the sum of its proper divisors (3341788520).

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

2628450040 is a wasteful number, since it uses less digits than its factorization.

2628450040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1468 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 2628450040 is about 51268.4117171578. The cubic root of 2628450040 is about 1380.0661663997.

The spelling of 2628450040 in words is "two billion, six hundred twenty-eight million, four hundred fifty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 157 314 571 628 733 785 1142 1256 1466 1570 2284 2855 2932 3140 3665 4568 5710 5864 6280 7330 11420 14660 22840 29320 89647 115081 179294 230162 358588 418543 448235 460324 575405 717176 837086 896470 920648 1150810 1674172 1792940 2092715 2301620 3348344 3585880 4185430 4603240 8370860 16741720 65711251 131422502 262845004 328556255 525690008 657112510 1314225020 2628450040