79572545040 has 40 divisors (see below), whose sum is σ = 246674890368. Its totient is φ = 21219345280.

The previous prime is 79572544993. The next prime is 79572545051. The reversal of 79572545040 is 4054527597.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 165775896 + ... + 165776375.

Almost surely, 2^79572545040 is an apocalyptic number.

It is an amenable number.

79572545040 is an abundant number, since it is smaller than the sum of its proper divisors (167102345328).

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

79572545040 is a wasteful number, since it uses less digits than its factorization.

79572545040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331552287 (or 331552281 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 79572545040 in words is "seventy-nine billion, five hundred seventy-two million, five hundred forty-five thousand, forty".