40568590968 has 64 divisors (see below), whose sum is σ = 107635923360. Its totient is φ = 12697952256.

The previous prime is 40568590961. The next prime is 40568591023. The reversal of 40568590968 is 86909586504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40568590961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61846 + ... + 291482.

Almost surely, 2^40568590968 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 40568590968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53817961680).

40568590968 is an abundant number, since it is smaller than the sum of its proper divisors (67067332392).

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

40568590968 is a wasteful number, since it uses less digits than its factorization.

40568590968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230096 (or 230092 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 40568590968 in words is "forty billion, five hundred sixty-eight million, five hundred ninety thousand, nine hundred sixty-eight".