49273204656 has 120 divisors (see below), whose sum is σ = 137946029520. Its totient is φ = 15148643328.

The previous prime is 49273204649. The next prime is 49273204661. The reversal of 49273204656 is 65640237294.

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 23 ways as a sum of consecutive naturals, for example, 18404790 + ... + 18407466.

It is an arithmetic number, because the mean of its divisors is an integer number (1149550246).

Almost surely, 2^49273204656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49273204656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68973014760).

49273204656 is an abundant number, since it is smaller than the sum of its proper divisors (88672824864).

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

49273204656 is a wasteful number, since it uses less digits than its factorization.

49273204656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983 (or 4964 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 49273204656 in words is "forty-nine billion, two hundred seventy-three million, two hundred four thousand, six hundred fifty-six".