40855886 has 4 divisors (see below), whose sum is σ = 61283832. Its totient is φ = 20427942.

The previous prime is 40855883. The next prime is 40855897. The reversal of 40855886 is 68855804.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40855883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10213970 + ... + 10213973.

It is an arithmetic number, because the mean of its divisors is an integer number (15320958).

Almost surely, 2^40855886 is an apocalyptic number.

40855886 is a deficient number, since it is larger than the sum of its proper divisors (20427946).

40855886 is a wasteful number, since it uses less digits than its factorization.

40855886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20427945.

The product of its (nonzero) digits is 307200, while the sum is 44.

The square root of 40855886 is about 6391.8609183868. The cubic root of 40855886 is about 344.4172364295.

The spelling of 40855886 in words is "forty million, eight hundred fifty-five thousand, eight hundred eighty-six".