19896001344 has 42 divisors (see below), whose sum is σ = 57028297170. Its totient is φ = 6632000256.

The previous prime is 19896001339. The next prime is 19896001361. The reversal of 19896001344 is 44310069891.

19896001344 is a `hidden beast` number, since 1 + 9 + 8 + 9 + 600 + 1 + 34 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14227718400 + 5668282944 = 119280^2 + 75288^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 19896001344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17270259 + ... + 17271410.

Almost surely, 2^19896001344 is an apocalyptic number.

It is an amenable number.

19896001344 is an abundant number, since it is smaller than the sum of its proper divisors (37132295826).

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

19896001344 is a wasteful number, since it uses less digits than its factorization.

19896001344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34541687 (or 34541674 counting only the distinct ones).

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

The spelling of 19896001344 in words is "nineteen billion, eight hundred ninety-six million, one thousand, three hundred forty-four".