19496032128 has 256 divisors, whose sum is σ = 59399577600. Its totient is φ = 6291468288.

The previous prime is 19496032111. The next prime is 19496032141. The reversal of 19496032128 is 82123069491.

19496032128 is a `hidden beast` number, since 1 + 9 + 496 + 0 + 32 + 128 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18872700 + ... + 18873732.

It is an arithmetic number, because the mean of its divisors is an integer number (232029600).

Almost surely, 2^19496032128 is an apocalyptic number.

19496032128 is a gapful number since it is divisible by the number (18) 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 19496032128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29699788800).

19496032128 is an abundant number, since it is smaller than the sum of its proper divisors (39903545472).

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

19496032128 is a wasteful number, since it uses less digits than its factorization.

19496032128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 19496032128 in words is "nineteen billion, four hundred ninety-six million, thirty-two thousand, one hundred twenty-eight".