426504720 has 40 divisors (see below), whose sum is σ = 1322165376. Its totient is φ = 113734528.

The previous prime is 426504707. The next prime is 426504779. The reversal of 426504720 is 27405624.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 888312 + ... + 888791.

Almost surely, 2^426504720 is an apocalyptic number.

426504720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426504720 is an abundant number, since it is smaller than the sum of its proper divisors (895660656).

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

426504720 is a wasteful number, since it uses less digits than its factorization.

426504720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777119 (or 1777113 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 426504720 is about 20651.9907030775. The cubic root of 426504720 is about 752.7335625213.

The spelling of 426504720 in words is "four hundred twenty-six million, five hundred four thousand, seven hundred twenty".