425251448464 has 80 divisors (see below), whose sum is σ = 837741381120. Its totient is φ = 209099704320.

The previous prime is 425251448443. The next prime is 425251448497. The reversal of 425251448464 is 464844152524.

It is a happy number.

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, 100269384 + ... + 100273624.

It is an arithmetic number, because the mean of its divisors is an integer number (10471767264).

Almost surely, 2^425251448464 is an apocalyptic number.

It is an amenable number.

425251448464 is a deficient number, since it is larger than the sum of its proper divisors (412489932656).

425251448464 is a wasteful number, since it uses less digits than its factorization.

425251448464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808 (or 4802 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 49.

The spelling of 425251448464 in words is "four hundred twenty-five billion, two hundred fifty-one million, four hundred forty-eight thousand, four hundred sixty-four".