42246855128 has 16 divisors (see below), whose sum is σ = 80555445000. Its totient is φ = 20765403136.

The previous prime is 42246855127. The next prime is 42246855179. The reversal of 42246855128 is 82155864224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42246855121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44752553 + ... + 44753496.

Almost surely, 2^42246855128 is an apocalyptic number.

It is an amenable number.

42246855128 is a deficient number, since it is larger than the sum of its proper divisors (38308589872).

42246855128 is a wasteful number, since it uses less digits than its factorization.

42246855128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89506114 (or 89506110 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 47.

The spelling of 42246855128 in words is "forty-two billion, two hundred forty-six million, eight hundred fifty-five thousand, one hundred twenty-eight".