45040666 has 8 divisors (see below), whose sum is σ = 73702944. Its totient is φ = 20473020.

The previous prime is 45040663. The next prime is 45040669. The reversal of 45040666 is 66604054.

It is an interprime number because it is at equal distance from previous prime (45040663) and next prime (45040669).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (45040661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023630 + ... + 1023673.

It is an arithmetic number, because the mean of its divisors is an integer number (9212868).

Almost surely, 2^45040666 is an apocalyptic number.

45040666 is a deficient number, since it is larger than the sum of its proper divisors (28662278).

45040666 is a wasteful number, since it uses less digits than its factorization.

45040666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047316.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 45040666 is about 6711.2343127028. The cubic root of 45040666 is about 355.7964423555.

The spelling of 45040666 in words is "forty-five million, forty thousand, six hundred sixty-six".