49402188 has 36 divisors (see below), whose sum is σ = 136231368. Its totient is φ = 14970240.

The previous prime is 49402159. The next prime is 49402193. The reversal of 49402188 is 88120494.

49402188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61981 + ... + 62772.

Almost surely, 2^49402188 is an apocalyptic number.

It is an amenable number.

49402188 is an abundant number, since it is smaller than the sum of its proper divisors (86829180).

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

49402188 is a wasteful number, since it uses less digits than its factorization.

49402188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124774 (or 124769 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 49402188 is about 7028.6690062913. The cubic root of 49402188 is about 366.9290203194.

The spelling of 49402188 in words is "forty-nine million, four hundred two thousand, one hundred eighty-eight".