40284064 has 12 divisors (see below), whose sum is σ = 79309314. Its totient is φ = 20142016.

The previous prime is 40284061. The next prime is 40284107. The reversal of 40284064 is 46048204.

40284064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28090000 + 12194064 = 5300^2 + 3492^2 .

It is not an unprimeable number, because it can be changed into a prime (40284061) 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 as a sum of consecutive naturals, namely, 629407 + ... + 629470.

Almost surely, 2^40284064 is an apocalyptic number.

It is an amenable number.

40284064 is a deficient number, since it is larger than the sum of its proper divisors (39025250).

40284064 is a wasteful number, since it uses less digits than its factorization.

40284064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258887 (or 1258879 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 40284064 is about 6346.9728217474. The cubic root of 40284064 is about 342.8028514563.

The spelling of 40284064 in words is "forty million, two hundred eighty-four thousand, sixty-four".