19474840200 has 96 divisors (see below), whose sum is σ = 60969936960. Its totient is φ = 5141856000.

The previous prime is 19474840139. The next prime is 19474840237. The reversal of 19474840200 is 204847491.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100084 + ... + 221283.

It is an arithmetic number, because the mean of its divisors is an integer number (635103510).

Almost surely, 2^19474840200 is an apocalyptic number.

19474840200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19474840200 is an abundant number, since it is smaller than the sum of its proper divisors (41495096760).

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

19474840200 is a wasteful number, since it uses less digits than its factorization.

19474840200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321487 (or 321478 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 19474840200 in words is "nineteen billion, four hundred seventy-four million, eight hundred forty thousand, two hundred".