40665833 has 16 divisors (see below), whose sum is σ = 46872000. Its totient is φ = 34966080.

The previous prime is 40665827. The next prime is 40665839. The reversal of 40665833 is 33856604.

It is an interprime number because it is at equal distance from previous prime (40665827) and next prime (40665839).

It is not a de Polignac number, because 40665833 - 2¹⁰ = 40664809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40665793 and 40665802.

It is not an unprimeable number, because it can be changed into a prime (40665839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13718 + ... + 16416.

It is an arithmetic number, because the mean of its divisors is an integer number (2929500).

Almost surely, 2^40665833 is an apocalyptic number.

It is an amenable number.

40665833 is a deficient number, since it is larger than the sum of its proper divisors (6206167).

40665833 is a wasteful number, since it uses less digits than its factorization.

40665833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 40665833 is about 6376.9767915526. The cubic root of 40665833 is about 343.8823539699.

The spelling of 40665833 in words is "forty million, six hundred sixty-five thousand, eight hundred thirty-three".