18486427036 has 192 divisors, whose sum is σ = 44146851840. Its totient is φ = 6555168000.

The previous prime is 18486427027. The next prime is 18486427097. The reversal of 18486427036 is 63072468481.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32835291 + ... + 32835853.

It is an arithmetic number, because the mean of its divisors is an integer number (229931520).

Almost surely, 2^18486427036 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 18486427036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22073425920).

18486427036 is an abundant number, since it is smaller than the sum of its proper divisors (25660424804).

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

18486427036 is a wasteful number, since it uses less digits than its factorization.

18486427036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 18486427036 in words is "eighteen billion, four hundred eighty-six million, four hundred twenty-seven thousand, thirty-six".