49942220 has 48 divisors (see below), whose sum is σ = 107909760. Its totient is φ = 19408896.

The previous prime is 49942219. The next prime is 49942229. The reversal of 49942220 is 2224994.

It is not an unprimeable number, because it can be changed into a prime (49942229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115124 + ... + 115556.

It is an arithmetic number, because the mean of its divisors is an integer number (2248120).

Almost surely, 2^49942220 is an apocalyptic number.

It is an amenable number.

49942220 is an abundant number, since it is smaller than the sum of its proper divisors (57967540).

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

49942220 is a wasteful number, since it uses less digits than its factorization.

49942220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 49942220 is about 7066.9809678532. The cubic root of 49942220 is about 368.2611862723.

The spelling of 49942220 in words is "forty-nine million, nine hundred forty-two thousand, two hundred twenty".