40302275 has 18 divisors (see below), whose sum is σ = 54120420. Its totient is φ = 29758560.

The previous prime is 40302271. The next prime is 40302289. The reversal of 40302275 is 57220304.

It is not a de Polignac number, because 40302275 - 2² = 40302271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40302275.

It is not an unprimeable number, because it can be changed into a prime (40302271) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 545 + ... + 8994.

It is an arithmetic number, because the mean of its divisors is an integer number (3006690).

Almost surely, 2^40302275 is an apocalyptic number.

40302275 is a deficient number, since it is larger than the sum of its proper divisors (13818145).

40302275 is a wasteful number, since it uses less digits than its factorization.

40302275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9575 (or 9557 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 40302275 is about 6348.4072805705. The cubic root of 40302275 is about 342.8545000210.

Adding to 40302275 its reverse (57220304), we get a palindrome (97522579).

The spelling of 40302275 in words is "forty million, three hundred two thousand, two hundred seventy-five".