40305275 has 6 divisors (see below), whose sum is σ = 49978572. Its totient is φ = 32244200.

The previous prime is 40305253. The next prime is 40305311. The reversal of 40305275 is 57250304.

40305275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40305275 - 2¹² = 40301179 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 806081 + ... + 806130.

It is an arithmetic number, because the mean of its divisors is an integer number (8329762).

Almost surely, 2^40305275 is an apocalyptic number.

40305275 is a deficient number, since it is larger than the sum of its proper divisors (9673297).

40305275 is a wasteful number, since it uses less digits than its factorization.

40305275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612221 (or 1612216 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 40305275 is about 6348.6435559102. The cubic root of 40305275 is about 342.8630068855.

Adding to 40305275 its reverse (57250304), we get a palindrome (97555579).

The spelling of 40305275 in words is "forty million, three hundred five thousand, two hundred seventy-five".