40586312 has 32 divisors (see below), whose sum is σ = 84785400. Its totient is φ = 18084864.

The previous prime is 40586311. The next prime is 40586339. The reversal of 40586312 is 21368504.

It can be written as a sum of positive squares in 4 ways, for example, as 39112516 + 1473796 = 6254^2 + 1214^2 .

It is a super-2 number, since 2×40586312² = 3294497443522688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (40586311) 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 7 ways as a sum of consecutive naturals, for example, 3713 + ... + 9744.

Almost surely, 2^40586312 is an apocalyptic number.

It is an amenable number.

40586312 is an abundant number, since it is smaller than the sum of its proper divisors (44199088).

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

40586312 is a wasteful number, since it uses less digits than its factorization.

40586312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13505 (or 13501 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 40586312 is about 6370.7387326746. The cubic root of 40586312 is about 343.6580566441.

The spelling of 40586312 in words is "forty million, five hundred eighty-six thousand, three hundred twelve".