49102140 has 48 divisors (see below), whose sum is σ = 141926400. Its totient is φ = 12671040.

The previous prime is 49102139. The next prime is 49102153. The reversal of 49102140 is 4120194.

It is a super-2 number, since 2×49102140² = 4822040305159200, which contains 22 as substring.

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, 11340 + ... + 15059.

It is an arithmetic number, because the mean of its divisors is an integer number (2956800).

Almost surely, 2^49102140 is an apocalyptic number.

It is an amenable number.

49102140 is an abundant number, since it is smaller than the sum of its proper divisors (92824260).

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

49102140 is a wasteful number, since it uses less digits than its factorization.

49102140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26442 (or 26440 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 49102140 is about 7007.2919162826. The cubic root of 49102140 is about 366.1846540532.

The spelling of 49102140 in words is "forty-nine million, one hundred two thousand, one hundred forty".