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440410140220 = 22522020507011
BaseRepresentation
bin1100110100010100111…
…11010110111000111100
31120002202221101012002211
412122022133112320330
524203424443441340
6534153245430204
743550526265621
oct6321237267074
91502687335084
10440410140220
1115a8600518a6
127143056b364
13326b867280b
141745d014348
15b6c93e85ea
hex668a7d6e3c

440410140220 has 12 divisors (see below), whose sum is σ = 924861294504. Its totient is φ = 176164056080.

The previous prime is 440410140113. The next prime is 440410140223. The reversal of 440410140220 is 22041014044.

It is a super-2 number, since 2×4404101402202 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440410140191 and 440410140200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440410140223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11010253486 + ... + 11010253525.

It is an arithmetic number, because the mean of its divisors is an integer number (77071774542).

Almost surely, 2440410140220 is an apocalyptic number.

It is an amenable number.

440410140220 is an abundant number, since it is smaller than the sum of its proper divisors (484451154284).

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

440410140220 is a wasteful number, since it uses less digits than its factorization.

440410140220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22020507020 (or 22020507018 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 440410140220 its reverse (22041014044), we get a palindrome (462451154264).

The spelling of 440410140220 in words is "four hundred forty billion, four hundred ten million, one hundred forty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 22020507011 44041014022 88082028044 110102535055 220205070110 440410140220