40202474 has 24 divisors (see below), whose sum is σ = 67146660. Its totient is φ = 17945280.

The previous prime is 40202473. The next prime is 40202489. The reversal of 40202474 is 47420204.

40202474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39601849 + 600625 = 6293^2 + 775^2 .

It is not an unprimeable number, because it can be changed into a prime (40202471) 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 11 ways as a sum of consecutive naturals, for example, 24182 + ... + 25790.

Almost surely, 2^40202474 is an apocalyptic number.

40202474 is a deficient number, since it is larger than the sum of its proper divisors (26944186).

40202474 is a wasteful number, since it uses less digits than its factorization.

40202474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 40202474 is about 6340.5420903894. The cubic root of 40202474 is about 342.5712612125.

Adding to 40202474 its reverse (47420204), we get a palindrome (87622678).

The spelling of 40202474 in words is "forty million, two hundred two thousand, four hundred seventy-four".