625354424016 has 120 divisors (see below), whose sum is σ = 1879503391584. Its totient is φ = 178648968960.

The previous prime is 625354423999. The next prime is 625354424017. The reversal of 625354424016 is 610424453526.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625354424017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25603426 + ... + 25627838.

Almost surely, 2^625354424016 is an apocalyptic number.

It is an amenable number.

625354424016 is an abundant number, since it is smaller than the sum of its proper divisors (1254148967568).

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

625354424016 is a wasteful number, since it uses less digits than its factorization.

625354424016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35329 (or 35316 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 625354424016 in words is "six hundred twenty-five billion, three hundred fifty-four million, four hundred twenty-four thousand, sixteen".