42565173000 has 192 divisors, whose sum is σ = 154486051200. Its totient is φ = 9729148800.

The previous prime is 42565172983. The next prime is 42565173029. The reversal of 42565173000 is 37156524.

42565173000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2221 + ... + 291779.

It is an arithmetic number, because the mean of its divisors is an integer number (804614850).

Almost surely, 2^42565173000 is an apocalyptic number.

42565173000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42565173000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77243025600).

42565173000 is an abundant number, since it is smaller than the sum of its proper divisors (111920878200).

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

42565173000 is a wasteful number, since it uses less digits than its factorization.

42565173000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289597 (or 289576 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 42565173000 in words is "forty-two billion, five hundred sixty-five million, one hundred seventy-three thousand".