49203721728 has 160 divisors (see below), whose sum is σ = 166453393920. Its totient is φ = 14058178560.

The previous prime is 49203721709. The next prime is 49203721751. The reversal of 49203721728 is 82712730294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157468 + ... + 351003.

It is an arithmetic number, because the mean of its divisors is an integer number (1040333712).

Almost surely, 2^49203721728 is an apocalyptic number.

49203721728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49203721728 is an abundant number, since it is smaller than the sum of its proper divisors (117249672192).

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

49203721728 is an equidigital number, since it uses as much as digits as its factorization.

49203721728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508505 (or 508483 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 49203721728 in words is "forty-nine billion, two hundred three million, seven hundred twenty-one thousand, seven hundred twenty-eight".