40500664 has 32 divisors (see below), whose sum is σ = 80874720. Its totient is φ = 18948096.

The previous prime is 40500643. The next prime is 40500667. The reversal of 40500664 is 46600504.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40500667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25477 + ... + 27019.

It is an arithmetic number, because the mean of its divisors is an integer number (2527335).

Almost surely, 2^40500664 is an apocalyptic number.

It is an amenable number.

40500664 is a deficient number, since it is larger than the sum of its proper divisors (40374056).

40500664 is a wasteful number, since it uses less digits than its factorization.

40500664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759 (or 1755 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40500664 is about 6364.0131992321. The cubic root of 40500664 is about 343.4161495218.

The spelling of 40500664 in words is "forty million, five hundred thousand, six hundred sixty-four".