42289988655288 has 128 divisors (see below), whose sum is σ = 119320165324800. Its totient is φ = 12372549772800.

The previous prime is 42289988655269. The next prime is 42289988655311. The reversal of 42289988655288 is 88255688998224.

It is a self number, because there is not a number n which added to its sum of digits gives 42289988655288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144636570 + ... + 144928662.

It is an arithmetic number, because the mean of its divisors is an integer number (932188791600).

Almost surely, 2^{42289988655288} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42289988655288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59660082662400).

42289988655288 is an abundant number, since it is smaller than the sum of its proper divisors (77030176669512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42289988655288 is a wasteful number, since it uses less digits than its factorization.

42289988655288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311053 (or 311049 counting only the distinct ones).

The product of its digits is 12740198400, while the sum is 84.

The spelling of 42289988655288 in words is "forty-two trillion, two hundred eighty-nine billion, nine hundred eighty-eight million, six hundred fifty-five thousand, two hundred eighty-eight".