49122540 has 36 divisors (see below), whose sum is σ = 149005584. Its totient is φ = 13099296.

The previous prime is 49122539. The next prime is 49122587. The reversal of 49122540 is 4522194.

It is a tau number, because it is divible by the number of its divisors (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, 136272 + ... + 136631.

It is an arithmetic number, because the mean of its divisors is an integer number (4139044).

Almost surely, 2^49122540 is an apocalyptic number.

It is an amenable number.

49122540 is an abundant number, since it is smaller than the sum of its proper divisors (99883044).

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

49122540 is a wasteful number, since it uses less digits than its factorization.

49122540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272918 (or 272913 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 49122540 is about 7008.7473916528. The cubic root of 49122540 is about 366.2353587860.

The spelling of 49122540 in words is "forty-nine million, one hundred twenty-two thousand, five hundred forty".