40476666 has 32 divisors (see below), whose sum is σ = 82468800. Its totient is φ = 13242240.

The previous prime is 40476613. The next prime is 40476679. The reversal of 40476666 is 66667404.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122121 + ... + 122451.

It is an arithmetic number, because the mean of its divisors is an integer number (2577150).

Almost surely, 2^40476666 is an apocalyptic number.

40476666 is an abundant number, since it is smaller than the sum of its proper divisors (41992134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40476666 is a wasteful number, since it uses less digits than its factorization.

40476666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 40476666 is about 6362.1274743595. The cubic root of 40476666 is about 343.3483075967.

The spelling of 40476666 in words is "forty million, four hundred seventy-six thousand, six hundred sixty-six".