49840664 has 16 divisors (see below), whose sum is σ = 93536520. Its totient is φ = 24897600.

The previous prime is 49840657. The next prime is 49840669. The reversal of 49840664 is 46604894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49840669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9764 + ... + 13964.

Almost surely, 2^49840664 is an apocalyptic number.

It is an amenable number.

49840664 is a deficient number, since it is larger than the sum of its proper divisors (43695856).

49840664 is a wasteful number, since it uses less digits than its factorization.

49840664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5690 (or 5686 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 49840664 is about 7059.7920649266. The cubic root of 49840664 is about 368.0114008755.

The spelling of 49840664 in words is "forty-nine million, eight hundred forty thousand, six hundred sixty-four".