19364930040 has 64 divisors (see below), whose sum is σ = 60620659200. Its totient is φ = 4939459712.

The previous prime is 19364930033. The next prime is 19364930041. The reversal of 19364930040 is 4003946391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19364930041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3505380 + ... + 3510899.

It is an arithmetic number, because the mean of its divisors is an integer number (947197800).

Almost surely, 2^19364930040 is an apocalyptic number.

19364930040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19364930040 is an abundant number, since it is smaller than the sum of its proper divisors (41255729160).

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

19364930040 is a wasteful number, since it uses less digits than its factorization.

19364930040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016316 (or 7016312 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The spelling of 19364930040 in words is "nineteen billion, three hundred sixty-four million, nine hundred thirty thousand, forty".