40065283 has 4 divisors (see below), whose sum is σ = 40330768. Its totient is φ = 39799800.

The previous prime is 40065257. The next prime is 40065317. The reversal of 40065283 is 38256004.

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 40065283 - 2⁵ = 40065251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40065203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 132516 + ... + 132817.

It is an arithmetic number, because the mean of its divisors is an integer number (10082692).

Almost surely, 2^40065283 is an apocalyptic number.

40065283 is a deficient number, since it is larger than the sum of its proper divisors (265485).

40065283 is a wasteful number, since it uses less digits than its factorization.

40065283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265484.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 40065283 is about 6329.7142905506. The cubic root of 40065283 is about 342.1811421419.

The spelling of 40065283 in words is "forty million, sixty-five thousand, two hundred eighty-three".