15132443320 has 32 divisors (see below), whose sum is σ = 34071120720. Its totient is φ = 6048866560.

The previous prime is 15132443309. The next prime is 15132443363. The reversal of 15132443320 is 2334423151.

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 7 ways as a sum of consecutive naturals, for example, 68482 + ... + 186961.

Almost surely, 2^15132443320 is an apocalyptic number.

15132443320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15132443320 is an abundant number, since it is smaller than the sum of its proper divisors (18938677400).

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

15132443320 is a wasteful number, since it uses less digits than its factorization.

15132443320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256935 (or 256931 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 15132443320 its reverse (2334423151), we get a palindrome (17466866471).

The spelling of 15132443320 in words is "fifteen billion, one hundred thirty-two million, four hundred forty-three thousand, three hundred twenty".