885939620490 has 24 divisors (see below), whose sum is σ = 2303443013508. Its totient is φ = 236250565440.

The previous prime is 885939620431. The next prime is 885939620509. The reversal of 885939620490 is 94026939588.

885939620490 is a `hidden beast` number, since 8 + 8 + 59 + 3 + 96 + 2 + 0 + 490 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 877101552369 + 8838068121 = 936537^2 + 94011^2 .

It is a super-2 number, since 2×885939620490² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 4921886691 + ... + 4921886870.

Almost surely, 2^885939620490 is an apocalyptic number.

885939620490 is an abundant number, since it is smaller than the sum of its proper divisors (1417503393018).

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

885939620490 is a wasteful number, since it uses less digits than its factorization.

885939620490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9843773574 (or 9843773571 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 885939620490 in words is "eight hundred eighty-five billion, nine hundred thirty-nine million, six hundred twenty thousand, four hundred ninety".