49012140 has 24 divisors (see below), whose sum is σ = 137234160. Its totient is φ = 13069888.

The previous prime is 49012133. The next prime is 49012141. The reversal of 49012140 is 4121094.

It is not an unprimeable number, because it can be changed into a prime (49012141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408375 + ... + 408494.

It is an arithmetic number, because the mean of its divisors is an integer number (5718090).

Almost surely, 2^49012140 is an apocalyptic number.

It is an amenable number.

49012140 is an abundant number, since it is smaller than the sum of its proper divisors (88222020).

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

49012140 is a wasteful number, since it uses less digits than its factorization.

49012140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816881 (or 816879 counting only the distinct ones).

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

The square root of 49012140 is about 7000.8670891540. The cubic root of 49012140 is about 365.9607888955.

The spelling of 49012140 in words is "forty-nine million, twelve thousand, one hundred forty".