40866042 has 16 divisors (see below), whose sum is σ = 93408192. Its totient is φ = 11676000.

The previous prime is 40866037. The next prime is 40866073. The reversal of 40866042 is 24066804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486459 + ... + 486542.

It is an arithmetic number, because the mean of its divisors is an integer number (5838012).

Almost surely, 2^40866042 is an apocalyptic number.

40866042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40866042 is an abundant number, since it is smaller than the sum of its proper divisors (52542150).

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

40866042 is a wasteful number, since it uses less digits than its factorization.

40866042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973013.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 40866042 is about 6392.6553168460. The cubic root of 40866042 is about 344.4457726006.

The spelling of 40866042 in words is "forty million, eight hundred sixty-six thousand, forty-two".