19281248260 has 36 divisors (see below), whose sum is σ = 42733885068. Its totient is φ = 7306575552.

The previous prime is 19281248251. The next prime is 19281248263. The reversal of 19281248260 is 6284218291.

It can be written as a sum of positive squares in 2 ways, for example, as 14823549504 + 4457698756 = 121752^2 + 66766^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (19281248263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1328047 + ... + 1342486.

It is an arithmetic number, because the mean of its divisors is an integer number (1187052363).

Almost surely, 2^19281248260 is an apocalyptic number.

19281248260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19281248260 is an abundant number, since it is smaller than the sum of its proper divisors (23452636808).

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

19281248260 is a wasteful number, since it uses less digits than its factorization.

19281248260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670580 (or 2670559 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 19281248260 in words is "nineteen billion, two hundred eighty-one million, two hundred forty-eight thousand, two hundred sixty".