15791214140 has 48 divisors (see below), whose sum is σ = 35869895712. Its totient is φ = 5804894976.

The previous prime is 15791214119. The next prime is 15791214149. The reversal of 15791214140 is 4141219751.

It is a self number, because there is not a number n which added to its sum of digits gives 15791214140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15791214149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74759 + ... + 192798.

It is an arithmetic number, because the mean of its divisors is an integer number (747289494).

Almost surely, 2^15791214140 is an apocalyptic number.

15791214140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15791214140 is an abundant number, since it is smaller than the sum of its proper divisors (20078681572).

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

15791214140 is a wasteful number, since it uses less digits than its factorization.

15791214140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267806 (or 267804 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 15791214140 in words is "fifteen billion, seven hundred ninety-one million, two hundred fourteen thousand, one hundred forty".