49082640 has 40 divisors (see below), whose sum is σ = 152156928. Its totient is φ = 13088640.

The previous prime is 49082639. The next prime is 49082647. The reversal of 49082640 is 4628094.

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

It is not an unprimeable number, because it can be changed into a prime (49082647) 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, 102016 + ... + 102495.

Almost surely, 2^49082640 is an apocalyptic number.

49082640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49082640 is an abundant number, since it is smaller than the sum of its proper divisors (103074288).

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

49082640 is a wasteful number, since it uses less digits than its factorization.

49082640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204527 (or 204521 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 49082640 is about 7005.9003704021. The cubic root of 49082640 is about 366.1361731641.

The spelling of 49082640 in words is "forty-nine million, eighty-two thousand, six hundred forty".