49137857616 has 40 divisors (see below), whose sum is σ = 132458575680. Its totient is φ = 15667142656.

The previous prime is 49137857603. The next prime is 49137857647. The reversal of 49137857616 is 61675873194.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22253361 + ... + 22255568.

It is an arithmetic number, because the mean of its divisors is an integer number (3311464392).

Almost surely, 2^49137857616 is an apocalyptic number.

49137857616 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

49137857616 is an abundant number, since it is smaller than the sum of its proper divisors (83320718064).

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

49137857616 is a wasteful number, since it uses less digits than its factorization.

49137857616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44508963 (or 44508957 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 57.

The spelling of 49137857616 in words is "forty-nine billion, one hundred thirty-seven million, eight hundred fifty-seven thousand, six hundred sixteen".