79453272140 has 24 divisors (see below), whose sum is σ = 182020223952. Its totient is φ = 28892098880.

The previous prime is 79453272127. The next prime is 79453272163. The reversal of 79453272140 is 4127235497.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 79453272091 and 79453272100.

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 7 ways as a sum of consecutive naturals, for example, 180575399 + ... + 180575838.

It is an arithmetic number, because the mean of its divisors is an integer number (7584175998).

Almost surely, 2^79453272140 is an apocalyptic number.

It is an amenable number.

79453272140 is an abundant number, since it is smaller than the sum of its proper divisors (102566951812).

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

79453272140 is a wasteful number, since it uses less digits than its factorization.

79453272140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361151257 (or 361151255 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 79453272140 in words is "seventy-nine billion, four hundred fifty-three million, two hundred seventy-two thousand, one hundred forty".