15894980340 has 48 divisors (see below), whose sum is σ = 44588302080. Its totient is φ = 4230817920.

The previous prime is 15894980329. The next prime is 15894980363. The reversal of 15894980340 is 4308949851.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212380 + ... + 277299.

It is an arithmetic number, because the mean of its divisors is an integer number (928922960).

Almost surely, 2^15894980340 is an apocalyptic number.

15894980340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15894980340 is an abundant number, since it is smaller than the sum of its proper divisors (28693321740).

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

15894980340 is a wasteful number, since it uses less digits than its factorization.

15894980340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490232 (or 490230 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 15894980340 in words is "fifteen billion, eight hundred ninety-four million, nine hundred eighty thousand, three hundred forty".