15409609460 has 48 divisors (see below), whose sum is σ = 38591030016. Its totient is φ = 5053585152.

The previous prime is 15409609433. The next prime is 15409609499. The reversal of 15409609460 is 6490690451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2389577 + ... + 2396016.

It is an arithmetic number, because the mean of its divisors is an integer number (803979792).

Almost surely, 2^15409609460 is an apocalyptic number.

15409609460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15409609460 is an abundant number, since it is smaller than the sum of its proper divisors (23181420556).

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

15409609460 is a wasteful number, since it uses less digits than its factorization.

15409609460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785632 (or 4785630 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 15409609460 in words is "fifteen billion, four hundred nine million, six hundred nine thousand, four hundred sixty".