15992408412 has 36 divisors (see below), whose sum is σ = 40433320200. Its totient is φ = 5329739232.

The previous prime is 15992408401. The next prime is 15992408413. The reversal of 15992408412 is 21480429951.

It is a happy number.

15992408412 is a `hidden beast` number, since 1 + 599 + 2 + 40 + 8 + 4 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15992408413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150339 + ... + 233637.

Almost surely, 2^15992408412 is an apocalyptic number.

15992408412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15992408412 is an abundant number, since it is smaller than the sum of its proper divisors (24440911788).

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

15992408412 is a wasteful number, since it uses less digits than its factorization.

15992408412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88642 (or 88637 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 15992408412 in words is "fifteen billion, nine hundred ninety-two million, four hundred eight thousand, four hundred twelve".