40660466 has 16 divisors (see below), whose sum is σ = 76040640. Its totient is φ = 15841680.

The previous prime is 40660463. The next prime is 40660469. The reversal of 40660466 is 66406604.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40660463) and next prime (40660469).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40660463) 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, 131861 + ... + 132168.

It is an arithmetic number, because the mean of its divisors is an integer number (4752540).

Almost surely, 2^40660466 is an apocalyptic number.

40660466 is a deficient number, since it is larger than the sum of its proper divisors (35380174).

40660466 is a wasteful number, since it uses less digits than its factorization.

40660466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264049.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 40660466 is about 6376.5559669778. Note that the first 3 decimals coincide. The cubic root of 40660466 is about 343.8672249893.

The spelling of 40660466 in words is "forty million, six hundred sixty thousand, four hundred sixty-six".