426630204672 has 288 divisors, whose sum is σ = 1352140339200. Its totient is φ = 116838457344.

The previous prime is 426630204617. The next prime is 426630204691. The reversal of 426630204672 is 276402036624.

It is a super-2 number, since 2×426630204672² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 21660813 + ... + 21680499.

Almost surely, 2^426630204672 is an apocalyptic number.

426630204672 is a gapful number since it is divisible by the number (42) 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 426630204672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676070169600).

426630204672 is an abundant number, since it is smaller than the sum of its proper divisors (925510134528).

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

426630204672 is a wasteful number, since it uses less digits than its factorization.

426630204672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19881 (or 19867 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 426630204672 in words is "four hundred twenty-six billion, six hundred thirty million, two hundred four thousand, six hundred seventy-two".