40664324 has 12 divisors (see below), whose sum is σ = 71221248. Its totient is φ = 20315400.

The previous prime is 40664321. The next prime is 40664347. The reversal of 40664324 is 42346604.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40664321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2429 + ... + 9339.

It is an arithmetic number, because the mean of its divisors is an integer number (5935104).

Almost surely, 2^40664324 is an apocalyptic number.

It is an amenable number.

40664324 is a deficient number, since it is larger than the sum of its proper divisors (30556924).

40664324 is a wasteful number, since it uses less digits than its factorization.

40664324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386 (or 8384 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 40664324 is about 6376.8584742019. The cubic root of 40664324 is about 343.8781004000.

The spelling of 40664324 in words is "forty million, six hundred sixty-four thousand, three hundred twenty-four".