40320288443 has 2 divisors, whose sum is σ = 40320288444. Its totient is φ = 40320288442.

The previous prime is 40320288439. The next prime is 40320288457. The reversal of 40320288443 is 34488202304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40320288443 - 2² = 40320288439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40320288397 and 40320288406.

It is not a weakly prime, because it can be changed into another prime (40320288473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20160144221 + 20160144222.

It is an arithmetic number, because the mean of its divisors is an integer number (20160144222).

Almost surely, 2^40320288443 is an apocalyptic number.

40320288443 is a deficient number, since it is larger than the sum of its proper divisors (1).

40320288443 is an equidigital number, since it uses as much as digits as its factorization.

40320288443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 40320288443 in words is "forty billion, three hundred twenty million, two hundred eighty-eight thousand, four hundred forty-three".