442678645124 has 6 divisors (see below), whose sum is σ = 774687628974. Its totient is φ = 221339322560.

The previous prime is 442678645111. The next prime is 442678645187. The reversal of 442678645124 is 421546876244.

It can be written as a sum of positive squares in only one way, i.e., 434070145600 + 8608499524 = 658840^2 + 92782^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55334830637 + ... + 55334830644.

It is an arithmetic number, because the mean of its divisors is an integer number (129114604829).

Almost surely, 2^442678645124 is an apocalyptic number.

It is an amenable number.

442678645124 is a deficient number, since it is larger than the sum of its proper divisors (332008983850).

442678645124 is a wasteful number, since it uses less digits than its factorization.

442678645124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110669661285 (or 110669661283 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 53.

The spelling of 442678645124 in words is "four hundred forty-two billion, six hundred seventy-eight million, six hundred forty-five thousand, one hundred twenty-four".