40818284 has 24 divisors (see below), whose sum is σ = 80273760. Its totient is φ = 18019584.

The previous prime is 40818277. The next prime is 40818287. The reversal of 40818284 is 48281804.

It is a super-2 number, since 2×40818284² = 3332264617409312, 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 7 ways as a sum of consecutive naturals, for example, 15869 + ... + 18260.

It is an arithmetic number, because the mean of its divisors is an integer number (3344740).

Almost surely, 2^40818284 is an apocalyptic number.

It is an amenable number.

40818284 is a deficient number, since it is larger than the sum of its proper divisors (39455476).

40818284 is a wasteful number, since it uses less digits than its factorization.

40818284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34169 (or 34167 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 40818284 is about 6388.9188443742. The cubic root of 40818284 is about 344.3115417277.

The spelling of 40818284 in words is "forty million, eight hundred eighteen thousand, two hundred eighty-four".