626421040700 has 72 divisors (see below), whose sum is σ = 1673026065312. Its totient is φ = 198251930880.

The previous prime is 626421040691. The next prime is 626421040717. The reversal of 626421040700 is 7040124626.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34409639 + ... + 34427838.

Almost surely, 2^626421040700 is an apocalyptic number.

It is an amenable number.

626421040700 is an abundant number, since it is smaller than the sum of its proper divisors (1046605024612).

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

626421040700 is a wasteful number, since it uses less digits than its factorization.

626421040700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68837511 (or 68837504 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 626421040700 in words is "six hundred twenty-six billion, four hundred twenty-one million, forty thousand, seven hundred".