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440011420220 = 2251491119713187
BaseRepresentation
bin1100110011100101011…
…10010111001000111100
31120001202011010010002102
412121302232113020330
524202120410421340
6534045523444232
743534615234631
oct6316256271074
91501664103072
10440011420220
1115a675a80639
127133ab26678
1332653b8ba18
14174220a4188
15b6a43d9215
hex6672b9723c

440011420220 has 48 divisors (see below), whose sum is σ = 930379111200. Its totient is φ = 174794459904.

The previous prime is 440011420207. The next prime is 440011420241. The reversal of 440011420220 is 22024110044.

It is a super-2 number, since 2×4400114202202 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 440011420192 and 440011420201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33360467 + ... + 33373653.

It is an arithmetic number, because the mean of its divisors is an integer number (19382898150).

Almost surely, 2440011420220 is an apocalyptic number.

It is an amenable number.

440011420220 is an abundant number, since it is smaller than the sum of its proper divisors (490367690980).

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

440011420220 is a wasteful number, since it uses less digits than its factorization.

440011420220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24542 (or 24540 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 440011420220 its reverse (22024110044), we get a palindrome (462035530264).

The spelling of 440011420220 in words is "four hundred forty billion, eleven million, four hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 11197 13187 22394 26374 44788 52748 55985 65935 111970 131870 223940 263740 1668353 1964863 3336706 3929726 6673412 7859452 8341765 9824315 16683530 19648630 33367060 39297260 147654839 295309678 590619356 738274195 1476548390 2953096780 22000571011 44001142022 88002284044 110002855055 220005710110 440011420220