19124440422 has 16 divisors (see below), whose sum is σ = 38897167680. Its totient is φ = 6266765672.

The previous prime is 19124440421. The next prime is 19124440429. The reversal of 19124440422 is 22404442191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19124440421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27011568 + ... + 27012275.

It is an arithmetic number, because the mean of its divisors is an integer number (2431072980).

Almost surely, 2^19124440422 is an apocalyptic number.

19124440422 is an abundant number, since it is smaller than the sum of its proper divisors (19772727258).

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

19124440422 is a wasteful number, since it uses less digits than its factorization.

19124440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54023907.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 19124440422 in words is "nineteen billion, one hundred twenty-four million, four hundred forty thousand, four hundred twenty-two".