40684112 has 30 divisors (see below), whose sum is σ = 91696698. Its totient is φ = 17435712.

The previous prime is 40684103. The next prime is 40684117. The reversal of 40684112 is 21148604.

It can be written as a sum of positive squares in only one way, i.e., 25969216 + 14714896 = 5096^2 + 3836^2 .

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40684117) 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 5 ways as a sum of consecutive naturals, for example, 25163 + ... + 26730.

Almost surely, 2^40684112 is an apocalyptic number.

It is an amenable number.

40684112 is an abundant number, since it is smaller than the sum of its proper divisors (51012586).

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

40684112 is a wasteful number, since it uses less digits than its factorization.

40684112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51915 (or 51902 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 40684112 is about 6378.4098331794. The cubic root of 40684112 is about 343.9338704684.

The spelling of 40684112 in words is "forty million, six hundred eighty-four thousand, one hundred twelve".