19321096740 has 96 divisors (see below), whose sum is σ = 59482128384. Its totient is φ = 4647000960.

The previous prime is 19321096723. The next prime is 19321096757. The reversal of 19321096740 is 4769012391.

It is an interprime number because it is at equal distance from previous prime (19321096723) and next prime (19321096757).

It is a junction number, because it is equal to n+sod(n) for n = 19321096692 and 19321096701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31434 + ... + 199073.

It is an arithmetic number, because the mean of its divisors is an integer number (619605504).

Almost surely, 2^19321096740 is an apocalyptic number.

19321096740 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 19321096740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29741064192).

19321096740 is an abundant number, since it is smaller than the sum of its proper divisors (40161031644).

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

19321096740 is a wasteful number, since it uses less digits than its factorization.

19321096740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230657 (or 230655 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The spelling of 19321096740 in words is "nineteen billion, three hundred twenty-one million, ninety-six thousand, seven hundred forty".