15670842432 has 112 divisors (see below), whose sum is σ = 47421466752. Its totient is φ = 4473999360.

The previous prime is 15670842377. The next prime is 15670842463. The reversal of 15670842432 is 23424807651.

It is a tau number, because it is divible by the number of its divisors (112).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2175028 + ... + 2182220.

Almost surely, 2^15670842432 is an apocalyptic number.

15670842432 is a gapful number since it is divisible by the number (12) 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 15670842432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23710733376).

15670842432 is an abundant number, since it is smaller than the sum of its proper divisors (31750624320).

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

15670842432 is a wasteful number, since it uses less digits than its factorization.

15670842432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8836 (or 8826 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 15670842432 in words is "fifteen billion, six hundred seventy million, eight hundred forty-two thousand, four hundred thirty-two".