49169282172 has 48 divisors (see below), whose sum is σ = 121498890912. Its totient is φ = 15422883840.

The previous prime is 49169282143. The next prime is 49169282191. The reversal of 49169282172 is 27128296194.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1318422 + ... + 1355202.

It is an arithmetic number, because the mean of its divisors is an integer number (2531226894).

Almost surely, 2^49169282172 is an apocalyptic number.

It is an amenable number.

49169282172 is an abundant number, since it is smaller than the sum of its proper divisors (72329608740).

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

49169282172 is a wasteful number, since it uses less digits than its factorization.

49169282172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43358 (or 43356 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The spelling of 49169282172 in words is "forty-nine billion, one hundred sixty-nine million, two hundred eighty-two thousand, one hundred seventy-two".