49242920 has 16 divisors (see below), whose sum is σ = 110796660. Its totient is φ = 19697152.

The previous prime is 49242847. The next prime is 49242971. The reversal of 49242920 is 2924294.

It can be written as a sum of positive squares in 2 ways, for example, as 48246916 + 996004 = 6946^2 + 998^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615497 + ... + 615576.

Almost surely, 2^49242920 is an apocalyptic number.

49242920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49242920 is an abundant number, since it is smaller than the sum of its proper divisors (61553740).

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

49242920 is a wasteful number, since it uses less digits than its factorization.

49242920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231084 (or 1231080 counting only the distinct ones).

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

The square root of 49242920 is about 7017.3299765652. The cubic root of 49242920 is about 366.5342809496.

The spelling of 49242920 in words is "forty-nine million, two hundred forty-two thousand, nine hundred twenty".