19292344080 has 240 divisors, whose sum is σ = 62235838080. Its totient is φ = 4943493120.

The previous prime is 19292344061. The next prime is 19292344103. The reversal of 19292344080 is 8044329291.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×19292344080² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53738941 + ... + 53739299.

It is an arithmetic number, because the mean of its divisors is an integer number (259315992).

Almost surely, 2^19292344080 is an apocalyptic number.

19292344080 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 19292344080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31117919040).

19292344080 is an abundant number, since it is smaller than the sum of its proper divisors (42943494000).

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

19292344080 is a wasteful number, since it uses less digits than its factorization.

19292344080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 19292344080 in words is "nineteen billion, two hundred ninety-two million, three hundred forty-four thousand, eighty".