18041634059436 has 144 divisors (see below), whose sum is σ = 51017117129888. Its totient is φ = 5542032960000.

The previous prime is 18041634059417. The next prime is 18041634059507. The reversal of 18041634059436 is 63495043614081.

It is a happy number.

18041634059436 is a `hidden beast` number, since 1 + 8 + 0 + 4 + 1 + 6 + 3 + 40 + 594 + 3 + 6 = 666.

It is a super-2 number, since 2×18041634059436² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6406386 + ... + 8782086.

Almost surely, 2^{18041634059436} 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 18041634059436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25508558564944).

18041634059436 is an abundant number, since it is smaller than the sum of its proper divisors (32975483070452).

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

18041634059436 is a wasteful number, since it uses less digits than its factorization.

18041634059436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376334 (or 2376320 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 18041634059436 in words is "eighteen trillion, forty-one billion, six hundred thirty-four million, fifty-nine thousand, four hundred thirty-six".