15330232240 has 20 divisors (see below), whose sum is σ = 35642790144. Its totient is φ = 6132092864.

The previous prime is 15330232199. The next prime is 15330232319. The reversal of 15330232240 is 4223203351.

It is a tau number, because it is divible by the number of its divisors (20).

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, 95813872 + ... + 95814031.

Almost surely, 2^15330232240 is an apocalyptic number.

15330232240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15330232240 is an abundant number, since it is smaller than the sum of its proper divisors (20312557904).

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

15330232240 is a wasteful number, since it uses less digits than its factorization.

15330232240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191627916 (or 191627910 counting only the distinct ones).

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

Adding to 15330232240 its reverse (4223203351), we get a palindrome (19553435591).

The spelling of 15330232240 in words is "fifteen billion, three hundred thirty million, two hundred thirty-two thousand, two hundred forty".