15941885420 has 12 divisors (see below), whose sum is σ = 33477959424. Its totient is φ = 6376754160.

The previous prime is 15941885413. The next prime is 15941885431. The reversal of 15941885420 is 2458814951.

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, 398547116 + ... + 398547155.

It is an arithmetic number, because the mean of its divisors is an integer number (2789829952).

Almost surely, 2^15941885420 is an apocalyptic number.

15941885420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15941885420 is an abundant number, since it is smaller than the sum of its proper divisors (17536074004).

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

15941885420 is a wasteful number, since it uses less digits than its factorization.

15941885420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797094280 (or 797094278 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 47.

The spelling of 15941885420 in words is "fifteen billion, nine hundred forty-one million, eight hundred eighty-five thousand, four hundred twenty".