19328197400 has 24 divisors (see below), whose sum is σ = 44938059420. Its totient is φ = 7731278880.

The previous prime is 19328197397. The next prime is 19328197423. The reversal of 19328197400 is 479182391.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 48320294 + ... + 48320693.

Almost surely, 2^19328197400 is an apocalyptic number.

19328197400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19328197400 is an abundant number, since it is smaller than the sum of its proper divisors (25609862020).

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

19328197400 is a wasteful number, since it uses less digits than its factorization.

19328197400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96641003 (or 96640994 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 19328197400 in words is "nineteen billion, three hundred twenty-eight million, one hundred ninety-seven thousand, four hundred".