42445372612 has 24 divisors (see below), whose sum is σ = 74419090200. Its totient is φ = 21182812416.

The previous prime is 42445372583. The next prime is 42445372661. The reversal of 42445372612 is 21627354424.

It can be written as a sum of positive squares in 4 ways, for example, as 2610801216 + 39834571396 = 51096^2 + 199586^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6640314 + ... + 6646702.

It is an arithmetic number, because the mean of its divisors is an integer number (3100795425).

Almost surely, 2^42445372612 is an apocalyptic number.

It is an amenable number.

42445372612 is a deficient number, since it is larger than the sum of its proper divisors (31973717588).

42445372612 is a wasteful number, since it uses less digits than its factorization.

42445372612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9255 (or 9253 counting only the distinct ones).

The product of its digits is 322560, while the sum is 40.

The spelling of 42445372612 in words is "forty-two billion, four hundred forty-five million, three hundred seventy-two thousand, six hundred twelve".