50724304728 has 32 divisors (see below), whose sum is σ = 127036036800. Its totient is φ = 16878064928.

The previous prime is 50724304721. The next prime is 50724304733. The reversal of 50724304728 is 82740342705.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50724304728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50724304721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1863498 + ... + 1890521.

It is an arithmetic number, because the mean of its divisors is an integer number (3969876150).

Almost surely, 2^50724304728 is an apocalyptic number.

It is an amenable number.

50724304728 is an abundant number, since it is smaller than the sum of its proper divisors (76311732072).

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

50724304728 is a wasteful number, since it uses less digits than its factorization.

50724304728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754591 (or 3754587 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 50724304728 in words is "fifty billion, seven hundred twenty-four million, three hundred four thousand, seven hundred twenty-eight".