40284912 has 20 divisors (see below), whose sum is σ = 104069480. Its totient is φ = 13428288.

The previous prime is 40284899. The next prime is 40284913. The reversal of 40284912 is 21948204.

40284912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40284912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40284913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419587 + ... + 419682.

It is an arithmetic number, because the mean of its divisors is an integer number (5203474).

Almost surely, 2^40284912 is an apocalyptic number.

It is an amenable number.

40284912 is an abundant number, since it is smaller than the sum of its proper divisors (63784568).

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

40284912 is a wasteful number, since it uses less digits than its factorization.

40284912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839280 (or 839274 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 40284912 is about 6347.0396248960. The cubic root of 40284912 is about 342.8052568308.

The spelling of 40284912 in words is "forty million, two hundred eighty-four thousand, nine hundred twelve".