425495873664 has 128 divisors (see below), whose sum is σ = 1296313920000. Its totient is φ = 137256698880.

The previous prime is 425495873611. The next prime is 425495873683. The reversal of 425495873664 is 466378594524.

425495873664 is a `hidden beast` number, since 4 + 2 + 5 + 49 + 587 + 3 + 6 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1878639 + ... + 2092910.

It is an arithmetic number, because the mean of its divisors is an integer number (10127452500).

Almost surely, 2^425495873664 is an apocalyptic number.

It is an amenable number.

425495873664 is an abundant number, since it is smaller than the sum of its proper divisors (870818046336).

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

425495873664 is a wasteful number, since it uses less digits than its factorization.

425495873664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971603 (or 3971585 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 63.

The spelling of 425495873664 in words is "four hundred twenty-five billion, four hundred ninety-five million, eight hundred seventy-three thousand, six hundred sixty-four".