442620526244 has 12 divisors (see below), whose sum is σ = 834169453404. Its totient is φ = 204286396704.

The previous prime is 442620526219. The next prime is 442620526253. The reversal of 442620526244 is 442625026244.

It can be written as a sum of positive squares in 2 ways, for example, as 47922463744 + 394698062500 = 218912^2 + 628250^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4255966547 + ... + 4255966650.

It is an arithmetic number, because the mean of its divisors is an integer number (69514121117).

Almost surely, 2^442620526244 is an apocalyptic number.

It is an amenable number.

442620526244 is a deficient number, since it is larger than the sum of its proper divisors (391548927160).

442620526244 is a wasteful number, since it uses less digits than its factorization.

442620526244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511933214 (or 8511933212 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 41.

The spelling of 442620526244 in words is "four hundred forty-two billion, six hundred twenty million, five hundred twenty-six thousand, two hundred forty-four".