40791872 has 28 divisors (see below), whose sum is σ = 88306656. Its totient is φ = 18541440.

The previous prime is 40791869. The next prime is 40791923. The reversal of 40791872 is 27819704.

40791872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28268 + ... + 29675.

Almost surely, 2^40791872 is an apocalyptic number.

It is an amenable number.

40791872 is an abundant number, since it is smaller than the sum of its proper divisors (47514784).

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

40791872 is a wasteful number, since it uses less digits than its factorization.

40791872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57966 (or 57956 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 40791872 is about 6386.8514934982. The cubic root of 40791872 is about 344.2372619547.

The spelling of 40791872 in words is "forty million, seven hundred ninety-one thousand, eight hundred seventy-two".