632889427926 has 64 divisors (see below), whose sum is σ = 1562958028800. Its totient is φ = 170188744320.

The previous prime is 632889427873. The next prime is 632889427931. The reversal of 632889427926 is 629724988236.

It is a super-2 number, since 2×632889427926² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

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, 9009910 + ... + 9079881.

It is an arithmetic number, because the mean of its divisors is an integer number (24421219200).

Almost surely, 2^632889427926 is an apocalyptic number.

632889427926 is an abundant number, since it is smaller than the sum of its proper divisors (930068600874).

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

632889427926 is a wasteful number, since it uses less digits than its factorization.

632889427926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18089834 (or 18089820 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 66.

The spelling of 632889427926 in words is "six hundred thirty-two billion, eight hundred eighty-nine million, four hundred twenty-seven thousand, nine hundred twenty-six".