320253504441 has 32 divisors (see below), whose sum is σ = 468357120000. Its totient is φ = 193443851328.

The previous prime is 320253504433. The next prime is 320253504503. The reversal of 320253504441 is 144405352023.

It is not a de Polignac number, because 320253504441 - 2³ = 320253504433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320253504401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1410760 + ... + 1621958.

It is an arithmetic number, because the mean of its divisors is an integer number (14636160000).

Almost surely, 2^320253504441 is an apocalyptic number.

It is an amenable number.

320253504441 is a deficient number, since it is larger than the sum of its proper divisors (148103615559).

320253504441 is a wasteful number, since it uses less digits than its factorization.

320253504441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211933.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 320253504441 its reverse (144405352023), we get a palindrome (464658856464).

The spelling of 320253504441 in words is "three hundred twenty billion, two hundred fifty-three million, five hundred four thousand, four hundred forty-one".