19430883144 has 48 divisors (see below), whose sum is σ = 52675022400. Its totient is φ = 6470842464.

The previous prime is 19430883119. The next prime is 19430883149. The reversal of 19430883144 is 44138803491.

It is a self number, because there is not a number n which added to its sum of digits gives 19430883144.

It is not an unprimeable number, because it can be changed into a prime (19430883149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50404 + ... + 203475.

It is an arithmetic number, because the mean of its divisors is an integer number (1097396300).

Almost surely, 2^19430883144 is an apocalyptic number.

It is an amenable number.

19430883144 is an abundant number, since it is smaller than the sum of its proper divisors (33244139256).

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

19430883144 is a wasteful number, since it uses less digits than its factorization.

19430883144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254954 (or 254947 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 19430883144 in words is "nineteen billion, four hundred thirty million, eight hundred eighty-three thousand, one hundred forty-four".