40674438 has 72 divisors (see below), whose sum is σ = 107086512. Its totient is φ = 10927872.

The previous prime is 40674437. The next prime is 40674451. The reversal of 40674438 is 83447604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40674437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35856 + ... + 36972.

Almost surely, 2^40674438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40674438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53543256).

40674438 is an abundant number, since it is smaller than the sum of its proper divisors (66412074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40674438 is a wasteful number, since it uses less digits than its factorization.

40674438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 40674438 is about 6377.6514486134. The cubic root of 40674438 is about 343.9066077373.

The spelling of 40674438 in words is "forty million, six hundred seventy-four thousand, four hundred thirty-eight".