49640960 has 40 divisors (see below), whose sum is σ = 119028096. Its totient is φ = 19855360.

The previous prime is 49640957. The next prime is 49640971. The reversal of 49640960 is 6904694.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 7136 + ... + 12255.

Almost surely, 2^49640960 is an apocalyptic number.

49640960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49640960 is an abundant number, since it is smaller than the sum of its proper divisors (69387136).

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

49640960 is an equidigital number, since it uses as much as digits as its factorization.

49640960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19414 (or 19398 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 49640960 is about 7045.6341091487. The cubic root of 49640960 is about 367.5192209238.

The spelling of 49640960 in words is "forty-nine million, six hundred forty thousand, nine hundred sixty".