15409342220 has 12 divisors (see below), whose sum is σ = 32359618704. Its totient is φ = 6163736880.

The previous prime is 15409342217. The next prime is 15409342229. The reversal of 15409342220 is 2224390451.

It is not an unprimeable number, because it can be changed into a prime (15409342229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385233536 + ... + 385233575.

It is an arithmetic number, because the mean of its divisors is an integer number (2696634892).

Almost surely, 2^15409342220 is an apocalyptic number.

15409342220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15409342220 is an abundant number, since it is smaller than the sum of its proper divisors (16950276484).

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

15409342220 is a wasteful number, since it uses less digits than its factorization.

15409342220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770467120 (or 770467118 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 15409342220 in words is "fifteen billion, four hundred nine million, three hundred forty-two thousand, two hundred twenty".