40890827 has 4 divisors (see below), whose sum is σ = 41009016. Its totient is φ = 40772640.

The previous prime is 40890823. The next prime is 40890833. The reversal of 40890827 is 72809804.

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

It is a cyclic number.

It is not a de Polignac number, because 40890827 - 2² = 40890823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40890823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58574 + ... + 59267.

It is an arithmetic number, because the mean of its divisors is an integer number (10252254).

Almost surely, 2^40890827 is an apocalyptic number.

40890827 is a deficient number, since it is larger than the sum of its proper divisors (118189).

40890827 is a wasteful number, since it uses less digits than its factorization.

40890827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118188.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 40890827 is about 6394.5935758264. The cubic root of 40890827 is about 344.5153932664.

The spelling of 40890827 in words is "forty million, eight hundred ninety thousand, eight hundred twenty-seven".