722511720464 has 40 divisors (see below), whose sum is σ = 1477218562080. Its totient is φ = 341388864000.

The previous prime is 722511720457. The next prime is 722511720487. The reversal of 722511720464 is 464027115227.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2841542 + ... + 3085349.

It is an arithmetic number, because the mean of its divisors is an integer number (36930464052).

Almost surely, 2^722511720464 is an apocalyptic number.

It is an amenable number.

722511720464 is an abundant number, since it is smaller than the sum of its proper divisors (754706841616).

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

722511720464 is a wasteful number, since it uses less digits than its factorization.

722511720464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927319 (or 5927313 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 722511720464 in words is "seven hundred twenty-two billion, five hundred eleven million, seven hundred twenty thousand, four hundred sixty-four".