17421381480 has 32 divisors (see below), whose sum is σ = 52264144800. Its totient is φ = 4645701696.

The previous prime is 17421381449. The next prime is 17421381491. The reversal of 17421381480 is 8418312471.

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, 72588970 + ... + 72589209.

It is an arithmetic number, because the mean of its divisors is an integer number (1633254525).

Almost surely, 2^17421381480 is an apocalyptic number.

17421381480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17421381480 is an abundant number, since it is smaller than the sum of its proper divisors (34842763320).

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

17421381480 is a wasteful number, since it uses less digits than its factorization.

17421381480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145178193 (or 145178189 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 17421381480 in words is "seventeen billion, four hundred twenty-one million, three hundred eighty-one thousand, four hundred eighty".