40861633 has 4 divisors (see below), whose sum is σ = 40906180. Its totient is φ = 40817088.

The previous prime is 40861631. The next prime is 40861637. The reversal of 40861633 is 33616804.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2334784 + 38526849 = 1528^2 + 6207^2 .

It is a cyclic number.

It is not a de Polignac number, because 40861633 - 2¹ = 40861631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40861595 and 40861604.

It is not an unprimeable number, because it can be changed into a prime (40861631) 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, 20868 + ... + 22741.

It is an arithmetic number, because the mean of its divisors is an integer number (10226545).

Almost surely, 2^40861633 is an apocalyptic number.

It is an amenable number.

40861633 is a deficient number, since it is larger than the sum of its proper divisors (44547).

40861633 is an equidigital number, since it uses as much as digits as its factorization.

40861633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44546.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 40861633 is about 6392.3104586683. The cubic root of 40861633 is about 344.4333848416.

The spelling of 40861633 in words is "forty million, eight hundred sixty-one thousand, six hundred thirty-three".