15013512340 has 96 divisors (see below), whose sum is σ = 33727680000. Its totient is φ = 5597309952.

The previous prime is 15013512329. The next prime is 15013512377. The reversal of 15013512340 is 4321531051.

It is a happy number.

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, 10476264 + ... + 10477696.

It is an arithmetic number, because the mean of its divisors is an integer number (351330000).

Almost surely, 2^15013512340 is an apocalyptic number.

15013512340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15013512340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16863840000).

15013512340 is an abundant number, since it is smaller than the sum of its proper divisors (18714167660).

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

15013512340 is a wasteful number, since it uses less digits than its factorization.

15013512340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 15013512340 in words is "fifteen billion, thirteen million, five hundred twelve thousand, three hundred forty".