19344477360 has 160 divisors (see below), whose sum is σ = 64651362048. Its totient is φ = 4756515840.

The previous prime is 19344477349. The next prime is 19344477377. The reversal of 19344477360 is 6377444391.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3401079 + ... + 3406761.

Almost surely, 2^19344477360 is an apocalyptic number.

19344477360 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 19344477360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32325681024).

19344477360 is an abundant number, since it is smaller than the sum of its proper divisors (45306884688).

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

19344477360 is a wasteful number, since it uses less digits than its factorization.

19344477360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803 (or 6797 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 19344477360 in words is "nineteen billion, three hundred forty-four million, four hundred seventy-seven thousand, three hundred sixty".