40872855 has 16 divisors (see below), whose sum is σ = 65636064. Its totient is φ = 21719040.

The previous prime is 40872851. The next prime is 40872869. The reversal of 40872855 is 55827804.

It is not a de Polignac number, because 40872855 - 2² = 40872851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40872851) 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, 634 + ... + 9063.

It is an arithmetic number, because the mean of its divisors is an integer number (4102254).

Almost surely, 2^40872855 is an apocalyptic number.

40872855 is a deficient number, since it is larger than the sum of its proper divisors (24763209).

40872855 is a wasteful number, since it uses less digits than its factorization.

40872855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9986.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 40872855 is about 6393.1881717966. The cubic root of 40872855 is about 344.4649130126.

The spelling of 40872855 in words is "forty million, eight hundred seventy-two thousand, eight hundred fifty-five".