442023748322 has 90 divisors (see below), whose sum is σ = 761298362037. Its totient is φ = 192395260512.

The previous prime is 442023748301. The next prime is 442023748339. The reversal of 442023748322 is 223847320244.

It can be written as a sum of positive squares in 8 ways, for example, as 49670591161 + 392353157161 = 222869^2 + 626381^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=470119.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442023748322.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 10279622033 + ... + 10279622075.

Almost surely, 2^442023748322 is an apocalyptic number.

442023748322 is a deficient number, since it is larger than the sum of its proper divisors (319274613715).

442023748322 is an frugal number, since it uses more digits than its factorization.

442023748322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 41.

The spelling of 442023748322 in words is "four hundred forty-two billion, twenty-three million, seven hundred forty-eight thousand, three hundred twenty-two".