426046640624 has 20 divisors (see below), whose sum is σ = 900507672600. Its totient is φ = 193657563840.

The previous prime is 426046640567. The next prime is 426046640653.

426046640624 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210359599 + ... + 1210359950.

It is an arithmetic number, because the mean of its divisors is an integer number (45025383630).

Almost surely, 2^426046640624 is an apocalyptic number.

426046640624 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

426046640624 is an abundant number, since it is smaller than the sum of its proper divisors (474461031976).

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

426046640624 is a wasteful number, since it uses less digits than its factorization.

426046640624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420719568 (or 2420719562 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 426046640624 in words is "four hundred twenty-six billion, forty-six million, six hundred forty thousand, six hundred twenty-four".