40645675 has 24 divisors (see below), whose sum is σ = 59594400. Its totient is φ = 26906880.

The previous prime is 40645663. The next prime is 40645711. The reversal of 40645675 is 57654604.

It is a happy number.

It is not a de Polignac number, because 40645675 - 2⁵ = 40645643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1071 + ... + 9079.

It is an arithmetic number, because the mean of its divisors is an integer number (2483100).

Almost surely, 2^40645675 is an apocalyptic number.

40645675 is a deficient number, since it is larger than the sum of its proper divisors (18948725).

40645675 is a wasteful number, since it uses less digits than its factorization.

40645675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8055 (or 8050 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 40645675 is about 6375.3960661280. The cubic root of 40645675 is about 343.8255239016.

The spelling of 40645675 in words is "forty million, six hundred forty-five thousand, six hundred seventy-five".