49939415064 has 144 divisors (see below), whose sum is σ = 171637918920. Its totient is φ = 12971266560.

The previous prime is 49939415011. The next prime is 49939415081. The reversal of 49939415064 is 46051493994.

It is a happy number.

49939415064 is a `hidden beast` number, since 4 + 9 + 93 + 9 + 41 + 506 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 49939415064.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 604609 + ... + 682224.

Almost surely, 2^49939415064 is an apocalyptic number.

49939415064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

49939415064 is an abundant number, since it is smaller than the sum of its proper divisors (121698503856).

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

49939415064 is a wasteful number, since it uses less digits than its factorization.

49939415064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286870 (or 1286856 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 49939415064 in words is "forty-nine billion, nine hundred thirty-nine million, four hundred fifteen thousand, sixty-four".