19274560000 has 400 divisors, whose sum is σ = 52156304640. Its totient is φ = 7096320000.

The previous prime is 19274559991. The next prime is 19274560007. The reversal of 19274560000 is 6547291.

It is a tau number, because it is divible by the number of its divisors (400).

It is not an unprimeable number, because it can be changed into a prime (19274560007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 287679967 + ... + 287680033.

Almost surely, 2^19274560000 is an apocalyptic number.

19274560000 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 19274560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26078152320).

19274560000 is an abundant number, since it is smaller than the sum of its proper divisors (32881744640).

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

19274560000 is an frugal number, since it uses more digits than its factorization.

19274560000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 19274560000 in words is "nineteen billion, two hundred seventy-four million, five hundred sixty thousand".