15716371840 has 256 divisors, whose sum is σ = 41594212800. Its totient is φ = 5643141120.

The previous prime is 15716371831. The next prime is 15716371843. The reversal of 15716371840 is 4817361751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15716371843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87800871 + ... + 87801049.

Almost surely, 2^15716371840 is an apocalyptic number.

15716371840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15716371840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20797106400).

15716371840 is an abundant number, since it is smaller than the sum of its proper divisors (25877840960).

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

15716371840 is a wasteful number, since it uses less digits than its factorization.

15716371840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 15716371840 in words is "fifteen billion, seven hundred sixteen million, three hundred seventy-one thousand, eight hundred forty".