40864284 has 48 divisors (see below), whose sum is σ = 110557440. Its totient is φ = 13028400.

The previous prime is 40864279. The next prime is 40864309. The reversal of 40864284 is 48246804.

40864284 is a `hidden beast` number, since 4 + 0 + 8 + 642 + 8 + 4 = 666.

40864284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5742 + ... + 10709.

It is an arithmetic number, because the mean of its divisors is an integer number (2303280).

Almost surely, 2^40864284 is an apocalyptic number.

It is an amenable number.

40864284 is an abundant number, since it is smaller than the sum of its proper divisors (69693156).

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

40864284 is a wasteful number, since it uses less digits than its factorization.

40864284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16487 (or 16479 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 40864284 is about 6392.5178138195. The cubic root of 40864284 is about 344.4408333379.

The spelling of 40864284 in words is "forty million, eight hundred sixty-four thousand, two hundred eighty-four".