49939613424 has 40 divisors (see below), whose sum is σ = 143345187920. Its totient is φ = 16646537664.

The previous prime is 49939613417. The next prime is 49939613431. The reversal of 49939613424 is 42431693994.

49939613424 is a `hidden beast` number, since 49 + 93 + 96 + 1 + 3 + 424 = 666.

It is an interprime number because it is at equal distance from previous prime (49939613417) and next prime (49939613431).

It is a super-2 number, since 2×49939613424² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

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, 57800047 + ... + 57800910.

It is an arithmetic number, because the mean of its divisors is an integer number (3583629698).

Almost surely, 2^49939613424 is an apocalyptic number.

It is an amenable number.

49939613424 is an abundant number, since it is smaller than the sum of its proper divisors (93405574496).

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

49939613424 is a wasteful number, since it uses less digits than its factorization.

49939613424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115600974 (or 115600962 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The spelling of 49939613424 in words is "forty-nine billion, nine hundred thirty-nine million, six hundred thirteen thousand, four hundred twenty-four".