19482590408 has 36 divisors (see below), whose sum is σ = 37184487795. Its totient is φ = 9569758080.

The previous prime is 19482590399. The next prime is 19482590431. The reversal of 19482590408 is 80409528491.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 6454194244 + 13028396164 = 80338^2 + 114142^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=98698.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24081908 + ... + 24082716.

Almost surely, 2^19482590408 is an apocalyptic number.

It is an amenable number.

19482590408 is a deficient number, since it is larger than the sum of its proper divisors (17701897387).

19482590408 is an frugal number, since it uses more digits than its factorization.

19482590408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

Multiplying 19482590408 by its sum of digits (50), we get a square (974129520400 = 986980²).

The spelling of 19482590408 in words is "nineteen billion, four hundred eighty-two million, five hundred ninety thousand, four hundred eight".