19392089472 has 800 divisors, whose sum is σ = 72596878200. Its totient is φ = 5120962560.

The previous prime is 19392089417. The next prime is 19392089501. The reversal of 19392089472 is 27498029391.

19392089472 is a `hidden beast` number, since 1 + 9 + 3 + 92 + 0 + 89 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 472977772 + ... + 472977812.

Almost surely, 2^19392089472 is an apocalyptic number.

19392089472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19392089472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36298439100).

19392089472 is an abundant number, since it is smaller than the sum of its proper divisors (53204788728).

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

19392089472 is an frugal number, since it uses more digits than its factorization.

19392089472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 19392089472 in words is "nineteen billion, three hundred ninety-two million, eighty-nine thousand, four hundred seventy-two".