49009872 has 80 divisors (see below), whose sum is σ = 133705728. Its totient is φ = 15438720.

The previous prime is 49009847. The next prime is 49009927. The reversal of 49009872 is 27890094.

It is a self number, because there is not a number n which added to its sum of digits gives 49009872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113497 + ... + 113927.

Almost surely, 2^49009872 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 49009872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66852864).

49009872 is an abundant number, since it is smaller than the sum of its proper divisors (84695856).

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

49009872 is a wasteful number, since it uses less digits than its factorization.

49009872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 49009872 is about 7000.7051073445. The cubic root of 49009872 is about 365.9551439548.

The spelling of 49009872 in words is "forty-nine million, nine thousand, eight hundred seventy-two".