15794368436 has 96 divisors (see below), whose sum is σ = 35889315840. Its totient is φ = 5902041600.

The previous prime is 15794368427. The next prime is 15794368441. The reversal of 15794368436 is 63486349751.

It is a super-2 number, since 2×15794368436² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1071605 + ... + 1086243.

It is an arithmetic number, because the mean of its divisors is an integer number (373847040).

Almost surely, 2^15794368436 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 15794368436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17944657920).

15794368436 is an abundant number, since it is smaller than the sum of its proper divisors (20094947404).

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

15794368436 is a wasteful number, since it uses less digits than its factorization.

15794368436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14805 (or 14803 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 56.

The spelling of 15794368436 in words is "fifteen billion, seven hundred ninety-four million, three hundred sixty-eight thousand, four hundred thirty-six".