626465782664 has 64 divisors (see below), whose sum is σ = 1261735315200. Its totient is φ = 290550334464.

The previous prime is 626465782661. The next prime is 626465782669. The reversal of 626465782664 is 466287564626.

It is a junction number, because it is equal to n+sod(n) for n = 626465782597 and 626465782606.

It is not an unprimeable number, because it can be changed into a prime (626465782661) 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, 5932067 + ... + 6036749.

It is an arithmetic number, because the mean of its divisors is an integer number (19714614300).

Almost surely, 2^626465782664 is an apocalyptic number.

It is an amenable number.

626465782664 is an abundant number, since it is smaller than the sum of its proper divisors (635269532536).

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

626465782664 is a wasteful number, since it uses less digits than its factorization.

626465782664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105342 (or 105338 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 62.

The spelling of 626465782664 in words is "six hundred twenty-six billion, four hundred sixty-five million, seven hundred eighty-two thousand, six hundred sixty-four".