18650352034242 has 224 divisors, whose sum is σ = 46386509801472. Its totient is φ = 5591361042432.

The previous prime is 18650352034217. The next prime is 18650352034243. The reversal of 18650352034242 is 24243025305681.

18650352034242 is a `hidden beast` number, since 1 + 8 + 6 + 50 + 3 + 520 + 34 + 2 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (18650352034243) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 619659738 + ... + 619689834.

Almost surely, 2^{18650352034242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18650352034242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23193254900736).

18650352034242 is an abundant number, since it is smaller than the sum of its proper divisors (27736157767230).

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

18650352034242 is a wasteful number, since it uses less digits than its factorization.

18650352034242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31244 (or 31229 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 18650352034242 in words is "eighteen trillion, six hundred fifty billion, three hundred fifty-two million, thirty-four thousand, two hundred forty-two".