40574438 has 16 divisors (see below), whose sum is σ = 63667296. Its totient is φ = 19356480.

The previous prime is 40574437. The next prime is 40574447. The reversal of 40574438 is 83447504.

It is a junction number, because it is equal to n+sod(n) for n = 40574398 and 40574407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40574431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23120 + ... + 24812.

It is an arithmetic number, because the mean of its divisors is an integer number (3979206).

Almost surely, 2^40574438 is an apocalyptic number.

40574438 is a deficient number, since it is larger than the sum of its proper divisors (23092858).

40574438 is a wasteful number, since it uses less digits than its factorization.

40574438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 40574438 is about 6369.8067474610. The cubic root of 40574438 is about 343.6245396481.

The spelling of 40574438 in words is "forty million, five hundred seventy-four thousand, four hundred thirty-eight".