49494940 has 24 divisors (see below), whose sum is σ = 113388912. Its totient is φ = 17998080.

The previous prime is 49494917. The next prime is 49494953. The reversal of 49494940 is 4949494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112269 + ... + 112708.

It is an arithmetic number, because the mean of its divisors is an integer number (4724538).

Almost surely, 2^49494940 is an apocalyptic number.

It is an amenable number.

49494940 is an abundant number, since it is smaller than the sum of its proper divisors (63893972).

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

49494940 is a wasteful number, since it uses less digits than its factorization.

49494940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224997 (or 224995 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 49494940 is about 7035.2640320033. The cubic root of 49494940 is about 367.1585116635.

It can be divided in two parts, 4949 and 4940, that added together give a palindrome (9889).

The spelling of 49494940 in words is "forty-nine million, four hundred ninety-four thousand, nine hundred forty".