40366091 has 8 divisors (see below), whose sum is σ = 41532480. Its totient is φ = 39212608.

The previous prime is 40366087. The next prime is 40366097. The reversal of 40366091 is 19066304.

40366091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40366091 - 2² = 40366087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40366097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3305 + ... + 9573.

It is an arithmetic number, because the mean of its divisors is an integer number (5191560).

Almost surely, 2^40366091 is an apocalyptic number.

40366091 is a deficient number, since it is larger than the sum of its proper divisors (1166389).

40366091 is a wasteful number, since it uses less digits than its factorization.

40366091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6453.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 40366091 is about 6353.4314350593. The cubic root of 40366091 is about 343.0353671029.

The spelling of 40366091 in words is "forty million, three hundred sixty-six thousand, ninety-one".