40672268 has 48 divisors (see below), whose sum is σ = 90646080. Its totient is φ = 15531264.

The previous prime is 40672267. The next prime is 40672321. The reversal of 40672268 is 86227604.

It is not an unprimeable number, because it can be changed into a prime (40672267) 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 15 ways as a sum of consecutive naturals, for example, 8630 + ... + 12482.

It is an arithmetic number, because the mean of its divisors is an integer number (1888460).

Almost surely, 2^40672268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40672268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45323040).

40672268 is an abundant number, since it is smaller than the sum of its proper divisors (49973812).

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

40672268 is a wasteful number, since it uses less digits than its factorization.

40672268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906 (or 3904 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 40672268 is about 6377.4813210232. The cubic root of 40672268 is about 343.9004917699.

The spelling of 40672268 in words is "forty million, six hundred seventy-two thousand, two hundred sixty-eight".