49942290 has 32 divisors (see below), whose sum is σ = 120087360. Its totient is φ = 13292864.

The previous prime is 49942289. The next prime is 49942301. The reversal of 49942290 is 9224994.

49942290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19081 + ... + 21539.

It is an arithmetic number, because the mean of its divisors is an integer number (3752730).

Almost surely, 2^49942290 is an apocalyptic number.

49942290 is an abundant number, since it is smaller than the sum of its proper divisors (70145070).

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

49942290 is a wasteful number, since it uses less digits than its factorization.

49942290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 49942290 is about 7066.9859204614. The cubic root of 49942290 is about 368.2613583262.

The spelling of 49942290 in words is "forty-nine million, nine hundred forty-two thousand, two hundred ninety".