68652090432 has 140 divisors (see below), whose sum is σ = 203659465680. Its totient is φ = 22866810624.

The previous prime is 68652090401. The next prime is 68652090439. The reversal of 68652090432 is 23409025686.

68652090432 is a `hidden beast` number, since 6 + 8 + 6 + 5 + 209 + 0 + 432 = 666.

It is not an unprimeable number, because it can be changed into a prime (68652090439) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8181343 + ... + 8189729.

Almost surely, 2^68652090432 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 68652090432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101829732840).

68652090432 is an abundant number, since it is smaller than the sum of its proper divisors (135007375248).

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

68652090432 is a wasteful number, since it uses less digits than its factorization.

68652090432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9990 (or 9971 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 68652090432 in words is "sixty-eight billion, six hundred fifty-two million, ninety thousand, four hundred thirty-two".