40664627 has 8 divisors (see below), whose sum is σ = 41933760. Its totient is φ = 39410280.

The previous prime is 40664623. The next prime is 40664651. The reversal of 40664627 is 72646604.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40664627 - 2² = 40664623 is a prime.

It is a super-2 number, since 2×40664627² = 3307223778098258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40664623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2024 + ... + 9242.

It is an arithmetic number, because the mean of its divisors is an integer number (5241720).

Almost surely, 2^40664627 is an apocalyptic number.

40664627 is a deficient number, since it is larger than the sum of its proper divisors (1269133).

40664627 is a wasteful number, since it uses less digits than its factorization.

40664627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7393.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 40664627 is about 6376.8822319375. The cubic root of 40664627 is about 343.8789545050.

The spelling of 40664627 in words is "forty million, six hundred sixty-four thousand, six hundred twenty-seven".