15976743480 has 256 divisors, whose sum is σ = 56558736000. Its totient is φ = 3997753344.

The previous prime is 15976743443. The next prime is 15976743491. The reversal of 15976743480 is 8434767951.

15976743480 is a `hidden beast` number, since 1 + 5 + 97 + 6 + 74 + 3 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7140922 + ... + 7143158.

Almost surely, 2^15976743480 is an apocalyptic number.

15976743480 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 15976743480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28279368000).

15976743480 is an abundant number, since it is smaller than the sum of its proper divisors (40581992520).

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

15976743480 is a wasteful number, since it uses less digits than its factorization.

15976743480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2653 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 15976743480 in words is "fifteen billion, nine hundred seventy-six million, seven hundred forty-three thousand, four hundred eighty".