19340851024 has 60 divisors (see below), whose sum is σ = 41234205460. Its totient is φ = 8781696000.

The previous prime is 19340850979. The next prime is 19340851097. The reversal of 19340851024 is 42015804391.

It can be written as a sum of positive squares in 2 ways, for example, as 13309775424 + 6031075600 = 115368^2 + 77660^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1948474 + ... + 1958374.

Almost surely, 2^19340851024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19340851024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20617102730).

19340851024 is an abundant number, since it is smaller than the sum of its proper divisors (21893354436).

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

19340851024 is a wasteful number, since it uses less digits than its factorization.

19340851024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10940 (or 10923 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 19340851024 in words is "nineteen billion, three hundred forty million, eight hundred fifty-one thousand, twenty-four".