68379040450 has 24 divisors (see below), whose sum is σ = 145354303872. Its totient is φ = 23444242320.

The previous prime is 68379040427. The next prime is 68379040451. The reversal of 68379040450 is 5404097386.

It is a self number, because there is not a number n which added to its sum of digits gives 68379040450.

It is not an unprimeable number, because it can be changed into a prime (68379040451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97683994 + ... + 97684693.

It is an arithmetic number, because the mean of its divisors is an integer number (6056429328).

Almost surely, 2^68379040450 is an apocalyptic number.

68379040450 is an abundant number, since it is smaller than the sum of its proper divisors (76975263422).

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

68379040450 is a wasteful number, since it uses less digits than its factorization.

68379040450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195368706 (or 195368701 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 68379040450 in words is "sixty-eight billion, three hundred seventy-nine million, forty thousand, four hundred fifty".