45840443971 has 4 divisors (see below), whose sum is σ = 52389078832. Its totient is φ = 39291809112.

The previous prime is 45840443941. The next prime is 45840443983. The reversal of 45840443971 is 17934404854.

It is a happy number.

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 45840443971 - 2¹³ = 45840435779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45840443941) 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, 3274317420 + ... + 3274317433.

It is an arithmetic number, because the mean of its divisors is an integer number (13097269708).

Almost surely, 2^45840443971 is an apocalyptic number.

45840443971 is a deficient number, since it is larger than the sum of its proper divisors (6548634861).

45840443971 is an equidigital number, since it uses as much as digits as its factorization.

45840443971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6548634860.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 45840443971 in words is "forty-five billion, eight hundred forty million, four hundred forty-three thousand, nine hundred seventy-one".