19342874880 has 432 divisors, whose sum is σ = 79818036480. Its totient is φ = 4228595712.

The previous prime is 19342874879. The next prime is 19342874921. The reversal of 19342874880 is 8847824391.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1849506 + ... + 1859934.

Almost surely, 2^19342874880 is an apocalyptic number.

19342874880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19342874880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39909018240).

19342874880 is an abundant number, since it is smaller than the sum of its proper divisors (60475161600).

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

19342874880 is a wasteful number, since it uses less digits than its factorization.

19342874880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10486 (or 10469 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 19342874880 in words is "nineteen billion, three hundred forty-two million, eight hundred seventy-four thousand, eight hundred eighty".