40416080 has 20 divisors (see below), whose sum is σ = 93967572. Its totient is φ = 16166400.

The previous prime is 40416071. The next prime is 40416091. The reversal of 40416080 is 8061404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17106496 + 23309584 = 4136^2 + 4828^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 252521 + ... + 252680.

Almost surely, 2^40416080 is an apocalyptic number.

40416080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40416080 is an abundant number, since it is smaller than the sum of its proper divisors (53551492).

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

40416080 is a wasteful number, since it uses less digits than its factorization.

40416080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505214 (or 505208 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 40416080 is about 6357.3642337057. The cubic root of 40416080 is about 343.1769126490.

Adding to 40416080 its reverse (8061404), we get a palindrome (48477484).

The spelling of 40416080 in words is "forty million, four hundred sixteen thousand, eighty".