4640364720872 has 64 divisors (see below), whose sum is σ = 9187978262400. Its totient is φ = 2192697492480.

The previous prime is 4640364720811. The next prime is 4640364720877. The reversal of 4640364720872 is 2780274630464.

It is not an unprimeable number, because it can be changed into a prime (4640364720877) 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, 21525443 + ... + 21739949.

It is an arithmetic number, because the mean of its divisors is an integer number (143562160350).

Almost surely, 2^{4640364720872} is an apocalyptic number.

It is an amenable number.

4640364720872 is a deficient number, since it is larger than the sum of its proper divisors (4547613541528).

4640364720872 is a wasteful number, since it uses less digits than its factorization.

4640364720872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215946 (or 215942 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 53.

The spelling of 4640364720872 in words is "four trillion, six hundred forty billion, three hundred sixty-four million, seven hundred twenty thousand, eight hundred seventy-two".