40530307 has 4 divisors (see below), whose sum is σ = 40580496. Its totient is φ = 40480120.

The previous prime is 40530283. The next prime is 40530317. The reversal of 40530307 is 70303504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40530307 - 2⁷ = 40530179 is a prime.

It is a super-3 number, since 3×40530307³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40530317) 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, 23863 + ... + 25504.

It is an arithmetic number, because the mean of its divisors is an integer number (10145124).

Almost surely, 2^40530307 is an apocalyptic number.

40530307 is a deficient number, since it is larger than the sum of its proper divisors (50189).

40530307 is an equidigital number, since it uses as much as digits as its factorization.

40530307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50188.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 40530307 is about 6366.3417281827. The cubic root of 40530307 is about 343.4999127767.

The spelling of 40530307 in words is "forty million, five hundred thirty thousand, three hundred seven".