49664180 has 24 divisors (see below), whose sum is σ = 106264872. Its totient is φ = 19490432.

The previous prime is 49664177. The next prime is 49664257. The reversal of 49664180 is 8146694.

It can be written as a sum of positive squares in 4 ways, for example, as 6130576 + 43533604 = 2476^2 + 6598^2 .

It is a congruent number.

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, 22367 + ... + 24486.

It is an arithmetic number, because the mean of its divisors is an integer number (4427703).

Almost surely, 2^49664180 is an apocalyptic number.

It is an amenable number.

49664180 is an abundant number, since it is smaller than the sum of its proper divisors (56600692).

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

49664180 is a wasteful number, since it uses less digits than its factorization.

49664180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46915 (or 46913 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 49664180 is about 7047.2817454675. The cubic root of 49664180 is about 367.5765154515.

The spelling of 49664180 in words is "forty-nine million, six hundred sixty-four thousand, one hundred eighty".