40445140583 has 2 divisors, whose sum is σ = 40445140584. Its totient is φ = 40445140582.

The previous prime is 40445140577. The next prime is 40445140613. The reversal of 40445140583 is 38504154404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40445140583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40445140513) 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 as a sum of consecutive naturals, namely, 20222570291 + 20222570292.

It is an arithmetic number, because the mean of its divisors is an integer number (20222570292).

Almost surely, 2^40445140583 is an apocalyptic number.

40445140583 is a deficient number, since it is larger than the sum of its proper divisors (1).

40445140583 is an equidigital number, since it uses as much as digits as its factorization.

40445140583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 40445140583 its reverse (38504154404), we get a palindrome (78949294987).

The spelling of 40445140583 in words is "forty billion, four hundred forty-five million, one hundred forty thousand, five hundred eighty-three".