19051282980 has 72 divisors (see below), whose sum is σ = 59350774392. Its totient is φ = 4943033856.

The previous prime is 19051282949. The next prime is 19051283003. The reversal of 19051282980 is 8928215091.

It can be written as a sum of positive squares in 4 ways, for example, as 636250176 + 18415032804 = 25224^2 + 135702^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1423617 + ... + 1436936.

It is an arithmetic number, because the mean of its divisors is an integer number (824316311).

Almost surely, 2^19051282980 is an apocalyptic number.

19051282980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19051282980 is an abundant number, since it is smaller than the sum of its proper divisors (40299491412).

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

19051282980 is a wasteful number, since it uses less digits than its factorization.

19051282980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860605 (or 2860600 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The spelling of 19051282980 in words is "nineteen billion, fifty-one million, two hundred eighty-two thousand, nine hundred eighty".