40308674 has 32 divisors (see below), whose sum is σ = 71644800. Its totient is φ = 16997904.

The previous prime is 40308659. The next prime is 40308677. The reversal of 40308674 is 47680304.

It is a happy number.

40308674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 40308674.

It is not an unprimeable number, because it can be changed into a prime (40308677) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45524 + ... + 46400.

It is an arithmetic number, because the mean of its divisors is an integer number (2238900).

Almost surely, 2^40308674 is an apocalyptic number.

40308674 is a deficient number, since it is larger than the sum of its proper divisors (31336126).

40308674 is an equidigital number, since it uses as much as digits as its factorization.

40308674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 40308674 is about 6348.9112452451. The cubic root of 40308674 is about 342.8726446529.

Adding to 40308674 its reverse (47680304), we get a palindrome (87988978).

The spelling of 40308674 in words is "forty million, three hundred eight thousand, six hundred seventy-four".