426802931628 has 24 divisors (see below), whose sum is σ = 996821085120. Its totient is φ = 142132275600.

The previous prime is 426802931609. The next prime is 426802931671. The reversal of 426802931628 is 826139208624.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16907898 + ... + 16933121.

It is an arithmetic number, because the mean of its divisors is an integer number (41534211880).

Almost surely, 2^426802931628 is an apocalyptic number.

It is an amenable number.

426802931628 is an abundant number, since it is smaller than the sum of its proper divisors (570018153492).

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

426802931628 is a wasteful number, since it uses less digits than its factorization.

426802931628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33842077 (or 33842075 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 426802931628 in words is "four hundred twenty-six billion, eight hundred two million, nine hundred thirty-one thousand, six hundred twenty-eight".