15492805412 has 24 divisors (see below), whose sum is σ = 31013613120. Its totient is φ = 6633773280.

The previous prime is 15492805411. The next prime is 15492805439. The reversal of 15492805412 is 21450829451.

It is a self number, because there is not a number n which added to its sum of digits gives 15492805412.

It is not an unprimeable number, because it can be changed into a prime (15492805411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218414 + ... + 280517.

It is an arithmetic number, because the mean of its divisors is an integer number (1292233880).

Almost surely, 2^15492805412 is an apocalyptic number.

It is an amenable number.

15492805412 is an abundant number, since it is smaller than the sum of its proper divisors (15520807708).

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

15492805412 is a wasteful number, since it uses less digits than its factorization.

15492805412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500051 (or 500049 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 15492805412 in words is "fifteen billion, four hundred ninety-two million, eight hundred five thousand, four hundred twelve".