40245307 has 16 divisors (see below), whose sum is σ = 44241120. Its totient is φ = 36453888.

The previous prime is 40245281. The next prime is 40245311. The reversal of 40245307 is 70354204.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40245307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40245367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68268 + ... + 68854.

It is an arithmetic number, because the mean of its divisors is an integer number (2765070).

Almost surely, 2^40245307 is an apocalyptic number.

40245307 is a deficient number, since it is larger than the sum of its proper divisors (3995813).

40245307 is a wasteful number, since it uses less digits than its factorization.

40245307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 40245307 is about 6343.9188992294. The cubic root of 40245307 is about 342.6928801520.

The spelling of 40245307 in words is "forty million, two hundred forty-five thousand, three hundred seven".