40823871 has 16 divisors (see below), whose sum is σ = 60645888. Its totient is φ = 24214400.

The previous prime is 40823857. The next prime is 40823891. The reversal of 40823871 is 17832804.

It is not a de Polignac number, because 40823871 - 2⁷ = 40823743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40823801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11610 + ... + 14711.

It is an arithmetic number, because the mean of its divisors is an integer number (3790368).

Almost surely, 2^40823871 is an apocalyptic number.

40823871 is a deficient number, since it is larger than the sum of its proper divisors (19822017).

40823871 is a wasteful number, since it uses less digits than its factorization.

40823871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26382.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 40823871 is about 6389.3560708416. The cubic root of 40823871 is about 344.3272502177.

The spelling of 40823871 in words is "forty million, eight hundred twenty-three thousand, eight hundred seventy-one".