40568328 has 24 divisors (see below), whose sum is σ = 109872750. Its totient is φ = 13522752.

The previous prime is 40568309. The next prime is 40568351. The reversal of 40568328 is 82386504.

It can be written as a sum of positive squares in only one way, i.e., 38713284 + 1855044 = 6222^2 + 1362^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40568292 and 40568301.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281653 + ... + 281796.

Almost surely, 2^40568328 is an apocalyptic number.

It is an amenable number.

40568328 is an abundant number, since it is smaller than the sum of its proper divisors (69304422).

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

40568328 is a wasteful number, since it uses less digits than its factorization.

40568328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563461 (or 563454 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 40568328 is about 6369.3271230170. The cubic root of 40568328 is about 343.6072902711.

The spelling of 40568328 in words is "forty million, five hundred sixty-eight thousand, three hundred twenty-eight".