49040388 has 36 divisors (see below), whose sum is σ = 127964928. Its totient is φ = 15819120.

The previous prime is 49040333. The next prime is 49040417. The reversal of 49040388 is 88304094.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20856 + ... + 23087.

Almost surely, 2^49040388 is an apocalyptic number.

It is an amenable number.

49040388 is an abundant number, since it is smaller than the sum of its proper divisors (78924540).

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

49040388 is a wasteful number, since it uses less digits than its factorization.

49040388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43984 (or 43979 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 49040388 is about 7002.8842629305. The cubic root of 49040388 is about 366.0310821941.

The spelling of 49040388 in words is "forty-nine million, forty thousand, three hundred eighty-eight".