15323304040 has 32 divisors (see below), whose sum is σ = 37611747360. Its totient is φ = 5572110400.

The previous prime is 15323304013. The next prime is 15323304047. The reversal of 15323304040 is 4040332351.

It is a junction number, because it is equal to n+sod(n) for n = 15323303996 and 15323304014.

It is not an unprimeable number, because it can be changed into a prime (15323304047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17412406 + ... + 17413285.

It is an arithmetic number, because the mean of its divisors is an integer number (1175367105).

Almost surely, 2^15323304040 is an apocalyptic number.

15323304040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15323304040 is an abundant number, since it is smaller than the sum of its proper divisors (22288443320).

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

15323304040 is a wasteful number, since it uses less digits than its factorization.

15323304040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34825713 (or 34825709 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 15323304040 its reverse (4040332351), we get a palindrome (19363636391).

The spelling of 15323304040 in words is "fifteen billion, three hundred twenty-three million, three hundred four thousand, forty".