19324324540 has 12 divisors (see below), whose sum is σ = 40581081576. Its totient is φ = 7729729808.

The previous prime is 19324324531. The next prime is 19324324553. The reversal of 19324324540 is 4542342391.

It is a self number, because there is not a number n which added to its sum of digits gives 19324324540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483108094 + ... + 483108133.

It is an arithmetic number, because the mean of its divisors is an integer number (3381756798).

Almost surely, 2^19324324540 is an apocalyptic number.

19324324540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19324324540 is an abundant number, since it is smaller than the sum of its proper divisors (21256757036).

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

19324324540 is a wasteful number, since it uses less digits than its factorization.

19324324540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966216236 (or 966216234 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 19324324540 in words is "nineteen billion, three hundred twenty-four million, three hundred twenty-four thousand, five hundred forty".