49240840728 has 32 divisors (see below), whose sum is σ = 124835938560. Its totient is φ = 16182435360.

The previous prime is 49240840669. The next prime is 49240840729. The reversal of 49240840728 is 82704804294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49240840729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14446900 + ... + 14450307.

It is an arithmetic number, because the mean of its divisors is an integer number (3901123080).

Almost surely, 2^49240840728 is an apocalyptic number.

It is an amenable number.

49240840728 is an abundant number, since it is smaller than the sum of its proper divisors (75595097832).

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

49240840728 is a wasteful number, since it uses less digits than its factorization.

49240840728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28897287 (or 28897283 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 49240840728 in words is "forty-nine billion, two hundred forty million, eight hundred forty thousand, seven hundred twenty-eight".