41440346645 has 32 divisors (see below), whose sum is σ = 50980531680. Its totient is φ = 32328253440.

The previous prime is 41440346639. The next prime is 41440346671. The reversal of 41440346645 is 54664304414.

It can be written as a sum of positive squares in 16 ways, for example, as 24737627524 + 16702719121 = 157282^2 + 129239^2 .

It is not a de Polignac number, because 41440346645 - 2³⁰ = 40366604821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18262571 + ... + 18264839.

It is an arithmetic number, because the mean of its divisors is an integer number (1593141615).

Almost surely, 2^41440346645 is an apocalyptic number.

It is an amenable number.

41440346645 is a deficient number, since it is larger than the sum of its proper divisors (9540185035).

41440346645 is a wasteful number, since it uses less digits than its factorization.

41440346645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 41440346645 in words is "forty-one billion, four hundred forty million, three hundred forty-six thousand, six hundred forty-five".