19344063480 has 256 divisors, whose sum is σ = 67238138880. Its totient is φ = 4360863744.

The previous prime is 19344063469. The next prime is 19344063503. The reversal of 19344063480 is 8436044391.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33524952 + ... + 33525528.

It is an arithmetic number, because the mean of its divisors is an integer number (262648980).

Almost surely, 2^19344063480 is an apocalyptic number.

19344063480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19344063480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33619069440).

19344063480 is an abundant number, since it is smaller than the sum of its proper divisors (47894075400).

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

19344063480 is a wasteful number, since it uses less digits than its factorization.

19344063480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 19344063480 in words is "nineteen billion, three hundred forty-four million, sixty-three thousand, four hundred eighty".