42238020566825 has 12 divisors (see below), whose sum is σ = 53262859835280. Its totient is φ = 33217697529360.

The previous prime is 42238020566789. The next prime is 42238020566827. The reversal of 42238020566825 is 52866502083224.

It is a happy number.

It is not a de Polignac number, because 42238020566825 - 2¹⁰ = 42238020565801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42238020566827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14317971599 + ... + 14317974548.

It is an arithmetic number, because the mean of its divisors is an integer number (4438571652940).

Almost surely, 2^{42238020566825} is an apocalyptic number.

It is an amenable number.

42238020566825 is a deficient number, since it is larger than the sum of its proper divisors (11024839268455).

42238020566825 is a wasteful number, since it uses less digits than its factorization.

42238020566825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28635946216 (or 28635946211 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 53.

The spelling of 42238020566825 in words is "forty-two trillion, two hundred thirty-eight billion, twenty million, five hundred sixty-six thousand, eight hundred twenty-five".