19052388100 has 72 divisors (see below), whose sum is σ = 44629018560. Its totient is φ = 7038218880.

The previous prime is 19052388097. The next prime is 19052388101. The reversal of 19052388100 is 188325091.

It is a super-2 number, since 2×19052388100² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19052388100.

It is not an unprimeable number, because it can be changed into a prime (19052388101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76122 + ... + 209521.

It is an arithmetic number, because the mean of its divisors is an integer number (619847480).

Almost surely, 2^19052388100 is an apocalyptic number.

19052388100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19052388100 is an abundant number, since it is smaller than the sum of its proper divisors (25576630460).

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

19052388100 is a wasteful number, since it uses less digits than its factorization.

19052388100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285709 (or 285702 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 19052388100 in words is "nineteen billion, fifty-two million, three hundred eighty-eight thousand, one hundred".