15994962002340 has 72 divisors (see below), whose sum is σ = 48623296890168. Its totient is φ = 4256070850560.

The previous prime is 15994962002303. The next prime is 15994962002347. The reversal of 15994962002340 is 4320026949951.

15994962002340 is a `hidden beast` number, since 1 + 5 + 9 + 9 + 4 + 9 + 620 + 0 + 2 + 3 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 705438729216 + 15289523273124 = 839904^2 + 3910182^2 .

It is not an unprimeable number, because it can be changed into a prime (15994962002347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96295437 + ... + 96461396.

It is an arithmetic number, because the mean of its divisors is an integer number (675323567919).

Almost surely, 2^{15994962002340} is an apocalyptic number.

15994962002340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15994962002340 is an abundant number, since it is smaller than the sum of its proper divisors (32628334887828).

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

15994962002340 is a wasteful number, since it uses less digits than its factorization.

15994962002340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192757309 (or 192757304 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 15994962002340 in words is "fifteen trillion, nine hundred ninety-four billion, nine hundred sixty-two million, two thousand, three hundred forty".