15449803796 has 48 divisors (see below), whose sum is σ = 33334592256. Its totient is φ = 6114261504.

The previous prime is 15449803783. The next prime is 15449803799. The reversal of 15449803796 is 69730894451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15449803799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280976 + ... + 331431.

It is an arithmetic number, because the mean of its divisors is an integer number (694470672).

Almost surely, 2^15449803796 is an apocalyptic number.

It is an amenable number.

15449803796 is an abundant number, since it is smaller than the sum of its proper divisors (17884788460).

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

15449803796 is a wasteful number, since it uses less digits than its factorization.

15449803796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612488 (or 612486 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 15449803796 in words is "fifteen billion, four hundred forty-nine million, eight hundred three thousand, seven hundred ninety-six".