15272139980 has 48 divisors (see below), whose sum is σ = 33135794496. Its totient is φ = 5908112640.

The previous prime is 15272139977. The next prime is 15272140019. The reversal of 15272139980 is 8993127251.

It is a happy number.

15272139980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61790 + ... + 185370.

It is an arithmetic number, because the mean of its divisors is an integer number (690329052).

Almost surely, 2^15272139980 is an apocalyptic number.

15272139980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 123580×123581.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15272139980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16567897248).

15272139980 is an abundant number, since it is smaller than the sum of its proper divisors (17863654516).

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

15272139980 is a wasteful number, since it uses less digits than its factorization.

15272139980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123794 (or 123792 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 15272139980 in words is "fifteen billion, two hundred seventy-two million, one hundred thirty-nine thousand, nine hundred eighty".