626381310056 has 8 divisors (see below), whose sum is σ = 1174464956370. Its totient is φ = 313190655024.

The previous prime is 626381310029. The next prime is 626381310091. The reversal of 626381310056 is 650013183626.

It can be written as a sum of positive squares in only one way, i.e., 376247292100 + 250134017956 = 613390^2 + 500134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 626381309995 and 626381310022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39148831871 + ... + 39148831886.

Almost surely, 2^626381310056 is an apocalyptic number.

It is an amenable number.

626381310056 is a deficient number, since it is larger than the sum of its proper divisors (548083646314).

626381310056 is a wasteful number, since it uses less digits than its factorization.

626381310056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78297663763 (or 78297663759 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 626381310056 in words is "six hundred twenty-six billion, three hundred eighty-one million, three hundred ten thousand, fifty-six".