15976900538340 has 288 divisors, whose sum is σ = 52304814342144. Its totient is φ = 3633251086080.

The previous prime is 15976900538279. The next prime is 15976900538341. The reversal of 15976900538340 is 4383500967951.

It is a super-2 number, since 2×15976900538340² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (15976900538341) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 579216189 + ... + 579243771.

It is an arithmetic number, because the mean of its divisors is an integer number (181613938688).

Almost surely, 2^{15976900538340} is an apocalyptic number.

15976900538340 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 15976900538340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26152407171072).

15976900538340 is an abundant number, since it is smaller than the sum of its proper divisors (36327913803804).

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

15976900538340 is a wasteful number, since it uses less digits than its factorization.

15976900538340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28607 (or 28598 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 15976900538340 in words is "fifteen trillion, nine hundred seventy-six billion, nine hundred million, five hundred thirty-eight thousand, three hundred forty".