49640808 has 128 divisors (see below), whose sum is σ = 153446400. Its totient is φ = 13069056.

The previous prime is 49640761. The next prime is 49640839. The reversal of 49640808 is 80804694.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111835 + ... + 112277.

It is an arithmetic number, because the mean of its divisors is an integer number (1198800).

Almost surely, 2^49640808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49640808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76723200).

49640808 is an abundant number, since it is smaller than the sum of its proper divisors (103805592).

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

49640808 is a wasteful number, since it uses less digits than its factorization.

49640808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 49640808 is about 7045.6233223186. The cubic root of 49640808 is about 367.5188458104.

The spelling of 49640808 in words is "forty-nine million, six hundred forty thousand, eight hundred eight".