40086534 has 32 divisors (see below), whose sum is σ = 83460096. Its totient is φ = 12821760.

The previous prime is 40086533. The next prime is 40086551. The reversal of 40086534 is 43568004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40086533) 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 15 ways as a sum of consecutive naturals, for example, 22774 + ... + 24470.

It is an arithmetic number, because the mean of its divisors is an integer number (2608128).

Almost surely, 2^40086534 is an apocalyptic number.

40086534 is an abundant number, since it is smaller than the sum of its proper divisors (43373562).

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

40086534 is a wasteful number, since it uses less digits than its factorization.

40086534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40086534 is about 6331.3927377789. The cubic root of 40086534 is about 342.2416301391.

The spelling of 40086534 in words is "forty million, eighty-six thousand, five hundred thirty-four".