19092801640 has 64 divisors (see below), whose sum is σ = 47328261120. Its totient is φ = 6874080000.

The previous prime is 19092801619. The next prime is 19092801641. The reversal of 19092801640 is 4610829091.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 19092801593 and 19092801602.

It is not an unprimeable number, because it can be changed into a prime (19092801641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170376 + ... + 259255.

It is an arithmetic number, because the mean of its divisors is an integer number (739504080).

Almost surely, 2^19092801640 is an apocalyptic number.

19092801640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19092801640 is an abundant number, since it is smaller than the sum of its proper divisors (28235459480).

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

19092801640 is a wasteful number, since it uses less digits than its factorization.

19092801640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429754 (or 429750 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 19092801640 in words is "nineteen billion, ninety-two million, eight hundred one thousand, six hundred forty".