49049644 has 12 divisors (see below), whose sum is σ = 98099344. Its totient is φ = 21021264.

The previous prime is 49049633. The next prime is 49049669. The reversal of 49049644 is 44694094.

It is a happy number.

49049644 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 49049597 and 49049606.

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, 875859 + ... + 875914.

Almost surely, 2^49049644 is an apocalyptic number.

It is an amenable number.

49049644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

49049644 is a wasteful number, since it uses less digits than its factorization.

49049644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751784 (or 1751782 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 49049644 is about 7003.5451023035. The cubic root of 49049644 is about 366.0541092725.

The spelling of 49049644 in words is "forty-nine million, forty-nine thousand, six hundred forty-four".