40086336 has 56 divisors (see below), whose sum is σ = 106582464. Its totient is φ = 13296640.

The previous prime is 40086331. The next prime is 40086341. The reversal of 40086336 is 63368004.

It is an interprime number because it is at equal distance from previous prime (40086331) and next prime (40086341).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40086331) 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, 53581 + ... + 54323.

Almost surely, 2^40086336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40086336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53291232).

40086336 is an abundant number, since it is smaller than the sum of its proper divisors (66496128).

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

40086336 is a wasteful number, since it uses less digits than its factorization.

40086336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 40086336 is about 6331.3771013896. The cubic root of 40086336 is about 342.2410666584.

It can be divided in two parts, 400 and 86336, that added together give a triangular number (86736 = T₄₁₆).

The spelling of 40086336 in words is "forty million, eighty-six thousand, three hundred thirty-six".