42066543570 has 64 divisors (see below), whose sum is σ = 103737563136. Its totient is φ = 10909382400.

The previous prime is 42066543529. The next prime is 42066543667. The reversal of 42066543570 is 7534566024.

42066543570 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 31 ways as a sum of consecutive naturals, for example, 2697295 + ... + 2712845.

It is an arithmetic number, because the mean of its divisors is an integer number (1620899424).

Almost surely, 2^42066543570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42066543570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51868781568).

42066543570 is an abundant number, since it is smaller than the sum of its proper divisors (61671019566).

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

42066543570 is a wasteful number, since it uses less digits than its factorization.

42066543570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18035.

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 42066543570 in words is "forty-two billion, sixty-six million, five hundred forty-three thousand, five hundred seventy".