49610043918 has 40 divisors (see below), whose sum is σ = 113047391160. Its totient is φ = 16256395440.

The previous prime is 49610043869. The next prime is 49610043929. The reversal of 49610043918 is 81934001694.

49610043918 is a `hidden beast` number, since 496 + 100 + 43 + 9 + 18 = 666.

It is a super-2 number, since 2×49610043918² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2585653 + ... + 2604768.

It is an arithmetic number, because the mean of its divisors is an integer number (2826184779).

Almost surely, 2^49610043918 is an apocalyptic number.

49610043918 is an abundant number, since it is smaller than the sum of its proper divisors (63437347242).

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

49610043918 is a wasteful number, since it uses less digits than its factorization.

49610043918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190494 (or 5190485 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 49610043918 in words is "forty-nine billion, six hundred ten million, forty-three thousand, nine hundred eighteen".