525442066643044 has 24 divisors (see below), whose sum is σ = 923613931308600. Its totient is φ = 261552558140160.

The previous prime is 525442066643033. The next prime is 525442066643057. The reversal of 525442066643044 is 440346660244525.

It can be written as a sum of positive squares in 4 ways, for example, as 176239218862144 + 349202847780900 = 13275512^2 + 18686970^2 .

It is a super-2 number, since 2×525442066643044² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11969947 + ... + 34556674.

It is an arithmetic number, because the mean of its divisors is an integer number (38483913804525).

Almost surely, 2^{525442066643044} is an apocalyptic number.

It is an amenable number.

525442066643044 is a deficient number, since it is larger than the sum of its proper divisors (398171864665556).

525442066643044 is a wasteful number, since it uses less digits than its factorization.

525442066643044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46539183 (or 46539181 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 55.

The spelling of 525442066643044 in words is "five hundred twenty-five trillion, four hundred forty-two billion, sixty-six million, six hundred forty-three thousand, forty-four".