40601866 has 8 divisors (see below), whose sum is σ = 61812000. Its totient is φ = 19997868.

The previous prime is 40601863. The next prime is 40601867. The reversal of 40601866 is 66810604.

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

It is not an unprimeable number, because it can be changed into a prime (40601863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151366 + ... + 151633.

It is an arithmetic number, because the mean of its divisors is an integer number (7726500).

Almost surely, 2^40601866 is an apocalyptic number.

40601866 is a deficient number, since it is larger than the sum of its proper divisors (21210134).

40601866 is a wasteful number, since it uses less digits than its factorization.

40601866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303068.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40601866 is about 6371.9593532916. The cubic root of 40601866 is about 343.7019513668.

The spelling of 40601866 in words is "forty million, six hundred one thousand, eight hundred sixty-six".