426653356624 has 160 divisors (see below), whose sum is σ = 1006619000832. Its totient is φ = 172877568000.

The previous prime is 426653356603. The next prime is 426653356663.

426653356624 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×426653356624² (a number of 24 digits) contains 22 as substring.

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, 4310409 + ... + 4408279.

Almost surely, 2^426653356624 is an apocalyptic number.

426653356624 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426653356624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503309500416).

426653356624 is an abundant number, since it is smaller than the sum of its proper divisors (579965644208).

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

426653356624 is a wasteful number, since it uses less digits than its factorization.

426653356624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97985 (or 97979 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 52.

The spelling of 426653356624 in words is "four hundred twenty-six billion, six hundred fifty-three million, three hundred fifty-six thousand, six hundred twenty-four".