40322568 has 128 divisors (see below), whose sum is σ = 122572800. Its totient is φ = 10886400.

The previous prime is 40322539. The next prime is 40322593. The reversal of 40322568 is 86522304.

It is a super-2 number, since 2×40322568² = 3251818980229248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106203 + ... + 106581.

It is an arithmetic number, because the mean of its divisors is an integer number (957600).

Almost surely, 2^40322568 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 40322568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61286400).

40322568 is an abundant number, since it is smaller than the sum of its proper divisors (82250232).

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

40322568 is a wasteful number, since it uses less digits than its factorization.

40322568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40322568 is about 6350.0053543285. The cubic root of 40322568 is about 342.9120350604.

The spelling of 40322568 in words is "forty million, three hundred twenty-two thousand, five hundred sixty-eight".