19408831482 has 32 divisors (see below), whose sum is σ = 39730249152. Its totient is φ = 6317587584.

The previous prime is 19408831441. The next prime is 19408831483. The reversal of 19408831482 is 28413880491.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19408831483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1515048 + ... + 1527804.

It is an arithmetic number, because the mean of its divisors is an integer number (1241570286).

Almost surely, 2^19408831482 is an apocalyptic number.

19408831482 is an abundant number, since it is smaller than the sum of its proper divisors (20321417670).

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

19408831482 is a wasteful number, since it uses less digits than its factorization.

19408831482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18702.

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 19408831482 in words is "nineteen billion, four hundred eight million, eight hundred thirty-one thousand, four hundred eighty-two".