15318434048 has 36 divisors (see below), whose sum is σ = 31033438800. Its totient is φ = 7544891904.

The previous prime is 15318434039. The next prime is 15318434059. The reversal of 15318434048 is 84043481351.

It is a junction number, because it is equal to n+sod(n) for n = 15318433996 and 15318434014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429398 + ... + 463701.

Almost surely, 2^15318434048 is an apocalyptic number.

It is an amenable number.

15318434048 is an abundant number, since it is smaller than the sum of its proper divisors (15715004752).

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

15318434048 is an frugal number, since it uses more digits than its factorization.

15318434048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893182 (or 893168 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 15318434048 in words is "fifteen billion, three hundred eighteen million, four hundred thirty-four thousand, forty-eight".