49008557916 has 144 divisors (see below), whose sum is σ = 135915343200. Its totient is φ = 14828875776.

The previous prime is 49008557911. The next prime is 49008558017. The reversal of 49008557916 is 61975580094.

49008557916 is a `hidden beast` number, since 490 + 0 + 85 + 5 + 79 + 1 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49008557911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1900920 + ... + 1926528.

It is an arithmetic number, because the mean of its divisors is an integer number (943856550).

Almost surely, 2^49008557916 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 49008557916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67957671600).

49008557916 is an abundant number, since it is smaller than the sum of its proper divisors (86906785284).

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

49008557916 is a wasteful number, since it uses less digits than its factorization.

49008557916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25748 (or 25743 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 49008557916 in words is "forty-nine billion, eight million, five hundred fifty-seven thousand, nine hundred sixteen".