19842275400 has 96 divisors (see below), whose sum is σ = 63495340800. Its totient is φ = 5120582400.

The previous prime is 19842275353. The next prime is 19842275423. The reversal of 19842275400 is 457224891.

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, 514795 + ... + 551994.

It is an arithmetic number, because the mean of its divisors is an integer number (661409800).

Almost surely, 2^19842275400 is an apocalyptic number.

19842275400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19842275400 is an abundant number, since it is smaller than the sum of its proper divisors (43653065400).

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

19842275400 is a wasteful number, since it uses less digits than its factorization.

19842275400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066839 (or 1066830 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 19842275400 in words is "nineteen billion, eight hundred forty-two million, two hundred seventy-five thousand, four hundred".