15040332220 has 24 divisors (see below), whose sum is σ = 31588553808. Its totient is φ = 6015398400.

The previous prime is 15040332179. The next prime is 15040332253. The reversal of 15040332220 is 2223304051.

It is a junction number, because it is equal to n+sod(n) for n = 15040332191 and 15040332200.

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, 140460 + ... + 223180.

It is an arithmetic number, because the mean of its divisors is an integer number (1316189742).

Almost surely, 2^15040332220 is an apocalyptic number.

15040332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15040332220 is an abundant number, since it is smaller than the sum of its proper divisors (16548221588).

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

15040332220 is a wasteful number, since it uses less digits than its factorization.

15040332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91821 (or 91819 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 15040332220 its reverse (2223304051), we get a palindrome (17263636271).

The spelling of 15040332220 in words is "fifteen billion, forty million, three hundred thirty-two thousand, two hundred twenty".