625001260056 has 64 divisors (see below), whose sum is σ = 1590710970720. Its totient is φ = 204583864320.

The previous prime is 625001260027. The next prime is 625001260057. The reversal of 625001260056 is 650062100526.

It is a happy number.

It is a super-2 number, since 2×625001260056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 625001259999 and 625001260026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625001260057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549216 + ... + 1245648.

Almost surely, 2^625001260056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625001260056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795355485360).

625001260056 is an abundant number, since it is smaller than the sum of its proper divisors (965709710664).

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

625001260056 is a wasteful number, since it uses less digits than its factorization.

625001260056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697116 (or 697112 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 625001260056 in words is "six hundred twenty-five billion, one million, two hundred sixty thousand, fifty-six".