68632440700 has 72 divisors (see below), whose sum is σ = 153854180480. Its totient is φ = 26547091200.

The previous prime is 68632440689. The next prime is 68632440707. The reversal of 68632440700 is 704423686.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68632440707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4422154 + ... + 4437646.

Almost surely, 2^68632440700 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 68632440700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76927090240).

68632440700 is an abundant number, since it is smaller than the sum of its proper divisors (85221739780).

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

68632440700 is a wasteful number, since it uses less digits than its factorization.

68632440700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16967 (or 16960 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 68632440700 in words is "sixty-eight billion, six hundred thirty-two million, four hundred forty thousand, seven hundred".