40337866 has 4 divisors (see below), whose sum is σ = 60506802. Its totient is φ = 20168932.

The previous prime is 40337861. The next prime is 40337873. The reversal of 40337866 is 66873304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39425841 + 912025 = 6279^2 + 955^2 .

It is not an unprimeable number, because it can be changed into a prime (40337861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10084465 + ... + 10084468.

Almost surely, 2^40337866 is an apocalyptic number.

40337866 is a deficient number, since it is larger than the sum of its proper divisors (20168936).

40337866 is a wasteful number, since it uses less digits than its factorization.

40337866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20168935.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 40337866 is about 6351.2098060133. The cubic root of 40337866 is about 342.9553954356.

The spelling of 40337866 in words is "forty million, three hundred thirty-seven thousand, eight hundred sixty-six".