49644668 has 6 divisors (see below), whose sum is σ = 86878176. Its totient is φ = 24822332.

The previous prime is 49644659. The next prime is 49644689. The reversal of 49644668 is 86644694.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6205580 + ... + 6205587.

It is an arithmetic number, because the mean of its divisors is an integer number (14479696).

Almost surely, 2^49644668 is an apocalyptic number.

It is an amenable number.

49644668 is a deficient number, since it is larger than the sum of its proper divisors (37233508).

49644668 is a wasteful number, since it uses less digits than its factorization.

49644668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12411171 (or 12411169 counting only the distinct ones).

The product of its digits is 995328, while the sum is 47.

The square root of 49644668 is about 7045.8972459155. The cubic root of 49644668 is about 367.5283714811.

The spelling of 49644668 in words is "forty-nine million, six hundred forty-four thousand, six hundred sixty-eight".