18730762340 has 96 divisors (see below), whose sum is σ = 41827968000. Its totient is φ = 7033167360.

The previous prime is 18730762331. The next prime is 18730762361. The reversal of 18730762340 is 4326703781.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8922611 + ... + 8924709.

It is an arithmetic number, because the mean of its divisors is an integer number (435708000).

Almost surely, 2^18730762340 is an apocalyptic number.

18730762340 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 18730762340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20913984000).

18730762340 is an abundant number, since it is smaller than the sum of its proper divisors (23097205660).

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

18730762340 is a wasteful number, since it uses less digits than its factorization.

18730762340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565 (or 2563 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 18730762340 in words is "eighteen billion, seven hundred thirty million, seven hundred sixty-two thousand, three hundred forty".