425662664 has 16 divisors (see below), whose sum is σ = 912134400. Its totient is φ = 182426832.

The previous prime is 425662661. The next prime is 425662669. The reversal of 425662664 is 466266524.

It is not an unprimeable number, because it can be changed into a prime (425662661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3800504 + ... + 3800615.

It is an arithmetic number, because the mean of its divisors is an integer number (57008400).

Almost surely, 2^425662664 is an apocalyptic number.

It is an amenable number.

425662664 is an abundant number, since it is smaller than the sum of its proper divisors (486471736).

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

425662664 is a wasteful number, since it uses less digits than its factorization.

425662664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601132 (or 7601128 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

The square root of 425662664 is about 20631.5938308217. The cubic root of 425662664 is about 752.2378576459.

The spelling of 425662664 in words is "four hundred twenty-five million, six hundred sixty-two thousand, six hundred sixty-four".