19590798940 has 24 divisors (see below), whose sum is σ = 41143519872. Its totient is φ = 7835778240.

The previous prime is 19590798937. The next prime is 19590798943. The reversal of 19590798940 is 4989709591.

It is an interprime number because it is at equal distance from previous prime (19590798937) and next prime (19590798943).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19590798943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396277 + ... + 442963.

It is an arithmetic number, because the mean of its divisors is an integer number (1714313328).

Almost surely, 2^19590798940 is an apocalyptic number.

19590798940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19590798940 is an abundant number, since it is smaller than the sum of its proper divisors (21552720932).

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

19590798940 is a wasteful number, since it uses less digits than its factorization.

19590798940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67677 (or 67675 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 61.

The spelling of 19590798940 in words is "nineteen billion, five hundred ninety million, seven hundred ninety-eight thousand, nine hundred forty".