49403940 has 24 divisors (see below), whose sum is σ = 138331200. Its totient is φ = 13174368.

The previous prime is 49403927. The next prime is 49403941. The reversal of 49403940 is 4930494.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (49403941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411640 + ... + 411759.

It is an arithmetic number, because the mean of its divisors is an integer number (5763800).

Almost surely, 2^49403940 is an apocalyptic number.

It is an amenable number.

49403940 is an abundant number, since it is smaller than the sum of its proper divisors (88927260).

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

49403940 is a wasteful number, since it uses less digits than its factorization.

49403940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823411 (or 823409 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 49403940 is about 7028.7936376024. The cubic root of 49403940 is about 366.9333578604.

The spelling of 49403940 in words is "forty-nine million, four hundred three thousand, nine hundred forty".