40384842 has 16 divisors (see below), whose sum is σ = 85020960. Its totient is φ = 12753072.

The previous prime is 40384831. The next prime is 40384859. The reversal of 40384842 is 24848304.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 177013 + ... + 177240.

It is an arithmetic number, because the mean of its divisors is an integer number (5313810).

Almost surely, 2^40384842 is an apocalyptic number.

40384842 is an abundant number, since it is smaller than the sum of its proper divisors (44636118).

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

40384842 is a wasteful number, since it uses less digits than its factorization.

40384842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354277.

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 40384842 is about 6354.9069230005. The cubic root of 40384842 is about 343.0884748829.

The spelling of 40384842 in words is "forty million, three hundred eighty-four thousand, eight hundred forty-two".