49119920 has 20 divisors (see below), whose sum is σ = 114204000. Its totient is φ = 19647936.

The previous prime is 49119913. The next prime is 49119929. The reversal of 49119920 is 2991194.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (49119929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306920 + ... + 307079.

It is an arithmetic number, because the mean of its divisors is an integer number (5710200).

Almost surely, 2^49119920 is an apocalyptic number.

49119920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49119920 is an abundant number, since it is smaller than the sum of its proper divisors (65084080).

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

49119920 is a wasteful number, since it uses less digits than its factorization.

49119920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614012 (or 614006 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 49119920 is about 7008.5604798703. The cubic root of 49119920 is about 366.2288474934.

The spelling of 49119920 in words is "forty-nine million, one hundred nineteen thousand, nine hundred twenty".