40584131 has 16 divisors (see below), whose sum is σ = 48136704. Its totient is φ = 33493824.

The previous prime is 40584127. The next prime is 40584143. The reversal of 40584131 is 13148504.

40584131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40584131 - 2² = 40584127 is a prime.

It is a super-2 number, since 2×40584131² = 3294143378050322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40584131.

It is not an unprimeable number, because it can be changed into a prime (40584161) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21050 + ... + 22896.

It is an arithmetic number, because the mean of its divisors is an integer number (3008544).

Almost surely, 2^40584131 is an apocalyptic number.

40584131 is a deficient number, since it is larger than the sum of its proper divisors (7552573).

40584131 is a wasteful number, since it uses less digits than its factorization.

40584131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 40584131 is about 6370.5675571334. The cubic root of 40584131 is about 343.6519007785.

The spelling of 40584131 in words is "forty million, five hundred eighty-four thousand, one hundred thirty-one".