19142982500 has 120 divisors (see below), whose sum is σ = 43021528704. Its totient is φ = 7447216000.

The previous prime is 19142982493. The next prime is 19142982517. The reversal of 19142982500 is 528924191.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23147087 + ... + 23147913.

Almost surely, 2^19142982500 is an apocalyptic number.

19142982500 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 19142982500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21510764352).

19142982500 is an abundant number, since it is smaller than the sum of its proper divisors (23878546204).

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

19142982500 is a wasteful number, since it uses less digits than its factorization.

19142982500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 19142982500 in words is "nineteen billion, one hundred forty-two million, nine hundred eighty-two thousand, five hundred".