49139260 has 12 divisors (see below), whose sum is σ = 103192488. Its totient is φ = 19655696.

The previous prime is 49139257. The next prime is 49139261. The reversal of 49139260 is 6293194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49139261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228462 + ... + 1228501.

It is an arithmetic number, because the mean of its divisors is an integer number (8599374).

Almost surely, 2^49139260 is an apocalyptic number.

It is an amenable number.

49139260 is an abundant number, since it is smaller than the sum of its proper divisors (54053228).

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

49139260 is a wasteful number, since it uses less digits than its factorization.

49139260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456972 (or 2456970 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 49139260 is about 7009.9400853360. The cubic root of 49139260 is about 366.2769063158.

The spelling of 49139260 in words is "forty-nine million, one hundred thirty-nine thousand, two hundred sixty".