40818282 has 24 divisors (see below), whose sum is σ = 82751136. Its totient is φ = 13421568.

The previous prime is 40818277. The next prime is 40818287. The reversal of 40818282 is 28281804.

It is an interprime number because it is at equal distance from previous prime (40818277) and next prime (40818287).

It is a super-2 number, since 2×40818282² = 3332264290863048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40818287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158698 + ... + 158954.

It is an arithmetic number, because the mean of its divisors is an integer number (3447964).

Almost surely, 2^40818282 is an apocalyptic number.

40818282 is an abundant number, since it is smaller than the sum of its proper divisors (41932854).

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

40818282 is a wasteful number, since it uses less digits than its factorization.

40818282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 40818282 is about 6388.9186878532. The cubic root of 40818282 is about 344.3115361042.

The spelling of 40818282 in words is "forty million, eight hundred eighteen thousand, two hundred eighty-two".