41465640439 has 4 divisors (see below), whose sum is σ = 41477666400. Its totient is φ = 41453614480.

The previous prime is 41465640431. The next prime is 41465640449. The reversal of 41465640439 is 93404656414.

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 41465640439 - 2³ = 41465640431 is a prime.

It is a super-2 number, since 2×41465640439² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41465640431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6007807 + ... + 6014704.

It is an arithmetic number, because the mean of its divisors is an integer number (10369416600).

Almost surely, 2^41465640439 is an apocalyptic number.

41465640439 is a deficient number, since it is larger than the sum of its proper divisors (12025961).

41465640439 is a wasteful number, since it uses less digits than its factorization.

41465640439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12025960.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 41465640439 in words is "forty-one billion, four hundred sixty-five million, six hundred forty thousand, four hundred thirty-nine".