3681023818000 has 80 divisors (see below), whose sum is σ = 9033562422144. Its totient is φ = 1450433212800.

The previous prime is 3681023817979. The next prime is 3681023818009. The reversal of 3681023818000 is 8183201863.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (3681023818009) 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, 13601164 + ... + 13869163.

Almost surely, 2^{3681023818000} is an apocalyptic number.

It is an amenable number.

3681023818000 is an abundant number, since it is smaller than the sum of its proper divisors (5352538604144).

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

3681023818000 is a wasteful number, since it uses less digits than its factorization.

3681023818000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27470417 (or 27470401 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 3681023818000 in words is "three trillion, six hundred eighty-one billion, twenty-three million, eight hundred eighteen thousand".