40284849 has 16 divisors (see below), whose sum is σ = 62043840. Its totient is φ = 22978560.

The previous prime is 40284833. The next prime is 40284859. The reversal of 40284849 is 94848204.

40284849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40284849 - 2⁴ = 40284833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40284809) 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 15 ways as a sum of consecutive naturals, for example, 35344 + ... + 36465.

It is an arithmetic number, because the mean of its divisors is an integer number (3877740).

Almost surely, 2^40284849 is an apocalyptic number.

It is an amenable number.

40284849 is a deficient number, since it is larger than the sum of its proper divisors (21758991).

40284849 is a wasteful number, since it uses less digits than its factorization.

40284849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71840.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 40284849 is about 6347.0346619504. The cubic root of 40284849 is about 342.8050781308.

The spelling of 40284849 in words is "forty million, two hundred eighty-four thousand, eight hundred forty-nine".