40818292 has 12 divisors (see below), whose sum is σ = 75634020. Its totient is φ = 19208576.

The previous prime is 40818287. The next prime is 40818311. The reversal of 40818292 is 29281804.

It can be written as a sum of positive squares in 2 ways, for example, as 22619536 + 18198756 = 4756^2 + 4266^2 .

It is a super-2 number, since 2×40818292² = 3332265923594528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300067 + ... + 300202.

It is an arithmetic number, because the mean of its divisors is an integer number (6302835).

Almost surely, 2^40818292 is an apocalyptic number.

It is an amenable number.

40818292 is a deficient number, since it is larger than the sum of its proper divisors (34815728).

40818292 is a wasteful number, since it uses less digits than its factorization.

40818292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600290 (or 600288 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 40818292 is about 6388.9194704582. The cubic root of 40818292 is about 344.3115642216.

The spelling of 40818292 in words is "forty million, eight hundred eighteen thousand, two hundred ninety-two".