18495414056 has 32 divisors (see below), whose sum is σ = 40476291840. Its totient is φ = 7757953728.

The previous prime is 18495414043. The next prime is 18495414079. The reversal of 18495414056 is 65041459481.

It is a super-2 number, since 2×18495414056² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 18495414056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3510935 + ... + 3516198.

It is an arithmetic number, because the mean of its divisors is an integer number (1264884120).

Almost surely, 2^18495414056 is an apocalyptic number.

It is an amenable number.

18495414056 is an abundant number, since it is smaller than the sum of its proper divisors (21980877784).

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

18495414056 is a wasteful number, since it uses less digits than its factorization.

18495414056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027193 (or 7027189 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 18495414056 in words is "eighteen billion, four hundred ninety-five million, four hundred fourteen thousand, fifty-six".