40366651 has 8 divisors (see below), whose sum is σ = 43858080. Its totient is φ = 36930432.

The previous prime is 40366649. The next prime is 40366657. The reversal of 40366651 is 15666304.

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 40366651 - 2¹ = 40366649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40366657) 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, 12271 + ... + 15208.

It is an arithmetic number, because the mean of its divisors is an integer number (5482260).

Almost surely, 2^40366651 is an apocalyptic number.

40366651 is a deficient number, since it is larger than the sum of its proper divisors (3491429).

40366651 is a wasteful number, since it uses less digits than its factorization.

40366651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27605.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 40366651 is about 6353.4755055796. The cubic root of 40366651 is about 343.0369534089.

The spelling of 40366651 in words is "forty million, three hundred sixty-six thousand, six hundred fifty-one".