75442444424457 has 16 divisors (see below), whose sum is σ = 109750440265920. Its totient is φ = 45716037070400.

The previous prime is 75442444424453. The next prime is 75442444424513.

75442444424457 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 75442444424457 - 2² = 75442444424453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75442444424457.

It is not an unprimeable number, because it can be changed into a prime (75442444424453) 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 in 15 ways as a sum of consecutive naturals, for example, 166182894 + ... + 166636247.

It is an arithmetic number, because the mean of its divisors is an integer number (6859402516620).

Almost surely, 2^{75442444424457} is an apocalyptic number.

It is an amenable number.

75442444424457 is a deficient number, since it is larger than the sum of its proper divisors (34307995841463).

75442444424457 is a wasteful number, since it uses less digits than its factorization.

75442444424457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332826024.

The product of its digits is 321126400, while the sum is 60.

The spelling of 75442444424457 in words is "seventy-five trillion, four hundred forty-two billion, four hundred forty-four million, four hundred twenty-four thousand, four hundred fifty-seven".