40363245568 has 60 divisors (see below), whose sum is σ = 81180897840. Its totient is φ = 20067418112.

The previous prime is 40363245551. The next prime is 40363245599. The reversal of 40363245568 is 86554236304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2925855 + ... + 2939617.

It is an arithmetic number, because the mean of its divisors is an integer number (1353014964).

Almost surely, 2^40363245568 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 40363245568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40590448920).

40363245568 is an abundant number, since it is smaller than the sum of its proper divisors (40817652272).

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

40363245568 is an equidigital number, since it uses as much as digits as its factorization.

40363245568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13970 (or 13944 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 40363245568 in words is "forty billion, three hundred sixty-three million, two hundred forty-five thousand, five hundred sixty-eight".