49930840 has 16 divisors (see below), whose sum is σ = 112344480. Its totient is φ = 19972320.

The previous prime is 49930799. The next prime is 49930877. The reversal of 49930840 is 4803994.

It is a self number, because there is not a number n which added to its sum of digits gives 49930840.

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, 624096 + ... + 624175.

It is an arithmetic number, because the mean of its divisors is an integer number (7021530).

Almost surely, 2^49930840 is an apocalyptic number.

49930840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49930840 is an abundant number, since it is smaller than the sum of its proper divisors (62413640).

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

49930840 is a wasteful number, since it uses less digits than its factorization.

49930840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248282 (or 1248278 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 49930840 is about 7066.1757691130. The cubic root of 49930840 is about 368.2332130755.

The spelling of 49930840 in words is "forty-nine million, nine hundred thirty thousand, eight hundred forty".