15422136804 has 192 divisors, whose sum is σ = 42368256000. Its totient is φ = 4844759040.

The previous prime is 15422136803. The next prime is 15422136811. The reversal of 15422136804 is 40863122451.

It is a happy number.

15422136804 is a `hidden beast` number, since 1 + 542 + 2 + 1 + 36 + 80 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (15422136803) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21751602 + ... + 21752310.

It is an arithmetic number, because the mean of its divisors is an integer number (220668000).

Almost surely, 2^15422136804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15422136804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21184128000).

15422136804 is an abundant number, since it is smaller than the sum of its proper divisors (26946119196).

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

15422136804 is a wasteful number, since it uses less digits than its factorization.

15422136804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 15422136804 in words is "fifteen billion, four hundred twenty-two million, one hundred thirty-six thousand, eight hundred four".