42522664144 has 20 divisors (see below), whose sum is σ = 82475617924. Its totient is φ = 21238633728.

The previous prime is 42522664123. The next prime is 42522664153. The reversal of 42522664144 is 44146622524.

It can be written as a sum of positive squares in 2 ways, for example, as 14015718544 + 28506945600 = 118388^2 + 168840^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42522664097 and 42522664106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403187 + ... + 1433170.

Almost surely, 2^42522664144 is an apocalyptic number.

It is an amenable number.

42522664144 is a deficient number, since it is larger than the sum of its proper divisors (39952953780).

42522664144 is a wasteful number, since it uses less digits than its factorization.

42522664144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837302 (or 2837296 counting only the distinct ones).

The product of its digits is 368640, while the sum is 40.

The spelling of 42522664144 in words is "forty-two billion, five hundred twenty-two million, six hundred sixty-four thousand, one hundred forty-four".