40445031383 has 2 divisors, whose sum is σ = 40445031384. Its totient is φ = 40445031382.

The previous prime is 40445031379. The next prime is 40445031463. The reversal of 40445031383 is 38313054404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40445031383 - 2² = 40445031379 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40445031323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20222515691 + 20222515692.

It is an arithmetic number, because the mean of its divisors is an integer number (20222515692).

Almost surely, 2^40445031383 is an apocalyptic number.

40445031383 is a deficient number, since it is larger than the sum of its proper divisors (1).

40445031383 is an equidigital number, since it uses as much as digits as its factorization.

40445031383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 40445031383 its reverse (38313054404), we get a palindrome (78758085787).

The spelling of 40445031383 in words is "forty billion, four hundred forty-five million, thirty-one thousand, three hundred eighty-three".