18341393476 has 48 divisors (see below), whose sum is σ = 38006922240. Its totient is φ = 7577700480.

The previous prime is 18341393429. The next prime is 18341393479. The reversal of 18341393476 is 67439314381.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18341393479) 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, 512941 + ... + 547531.

It is an arithmetic number, because the mean of its divisors is an integer number (791810880).

Almost surely, 2^18341393476 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 18341393476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19003461120).

18341393476 is an abundant number, since it is smaller than the sum of its proper divisors (19665528764).

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

18341393476 is a wasteful number, since it uses less digits than its factorization.

18341393476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35284 (or 35282 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The spelling of 18341393476 in words is "eighteen billion, three hundred forty-one million, three hundred ninety-three thousand, four hundred seventy-six".