40680466 has 4 divisors (see below), whose sum is σ = 61020702. Its totient is φ = 20340232.

The previous prime is 40680461. The next prime is 40680467. The reversal of 40680466 is 66408604.

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., 37515625 + 3164841 = 6125^2 + 1779^2 .

It is not an unprimeable number, because it can be changed into a prime (40680461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170115 + ... + 10170118.

Almost surely, 2^40680466 is an apocalyptic number.

40680466 is a deficient number, since it is larger than the sum of its proper divisors (20340236).

40680466 is a wasteful number, since it uses less digits than its factorization.

40680466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20340235.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 40680466 is about 6378.1240188632. The cubic root of 40680466 is about 343.9235960206.

The spelling of 40680466 in words is "forty million, six hundred eighty thousand, four hundred sixty-six".