40664230 has 24 divisors (see below), whose sum is σ = 76526352. Its totient is φ = 15556464.

The previous prime is 40664227. The next prime is 40664231. The reversal of 40664230 is 3246604.

It is a junction number, because it is equal to n+sod(n) for n = 40664195 and 40664204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40664231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1447 + ... + 9133.

It is an arithmetic number, because the mean of its divisors is an integer number (3188598).

Almost surely, 2^40664230 is an apocalyptic number.

40664230 is a deficient number, since it is larger than the sum of its proper divisors (35862122).

40664230 is a wasteful number, since it uses less digits than its factorization.

40664230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740 (or 7717 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 40664230 is about 6376.8511037972. The cubic root of 40664230 is about 343.8778354292.

The spelling of 40664230 in words is "forty million, six hundred sixty-four thousand, two hundred thirty".