275405043372072 has 32 divisors (see below), whose sum is σ = 689635793798880. Its totient is φ = 91651923074880.

The previous prime is 275405043372007. The next prime is 275405043372091. The reversal of 275405043372072 is 270273340504572.

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, 9359863054 + ... + 9359892477.

It is an arithmetic number, because the mean of its divisors is an integer number (21551118556215).

Almost surely, 2^{275405043372072} is an apocalyptic number.

It is an amenable number.

275405043372072 is an abundant number, since it is smaller than the sum of its proper divisors (414230750426808).

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

275405043372072 is a wasteful number, since it uses less digits than its factorization.

275405043372072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18719756153 (or 18719756149 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 51.

The spelling of 275405043372072 in words is "two hundred seventy-five trillion, four hundred five billion, forty-three million, three hundred seventy-two thousand, seventy-two".