41653645 has 20 divisors (see below), whose sum is σ = 55079100. Its totient is φ = 30240320.

The previous prime is 41653639. The next prime is 41653669. The reversal of 41653645 is 54635614.

It can be written as a sum of positive squares in 2 ways, for example, as 10673289 + 30980356 = 3267^2 + 5566^2 .

It is not a de Polignac number, because 41653645 - 2⁵ = 41653613 is a prime.

It is a super-3 number, since 3×41653645³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 41653645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 72921 + ... + 73489.

It is an arithmetic number, because the mean of its divisors is an integer number (2753955).

Almost surely, 2^41653645 is an apocalyptic number.

It is an amenable number.

41653645 is a deficient number, since it is larger than the sum of its proper divisors (13425455).

41653645 is an frugal number, since it uses more digits than its factorization.

41653645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 585 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 41653645 is about 6453.9635108978. The cubic root of 41653645 is about 346.6445185349.

The spelling of 41653645 in words is "forty-one million, six hundred fifty-three thousand, six hundred forty-five".