40891283 has 4 divisors (see below), whose sum is σ = 41008800. Its totient is φ = 40773768.

The previous prime is 40891271. The next prime is 40891303. The reversal of 40891283 is 38219804.

It is a happy number.

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 40891283 - 2⁶ = 40891219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40891483) 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, 58235 + ... + 58932.

It is an arithmetic number, because the mean of its divisors is an integer number (10252200).

Almost surely, 2^40891283 is an apocalyptic number.

40891283 is a deficient number, since it is larger than the sum of its proper divisors (117517).

40891283 is a wasteful number, since it uses less digits than its factorization.

40891283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117516.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 40891283 is about 6394.6292308468. The cubic root of 40891283 is about 344.5166738994.

The spelling of 40891283 in words is "forty million, eight hundred ninety-one thousand, two hundred eighty-three".