42084781860 has 192 divisors, whose sum is σ = 129674603520. Its totient is φ = 10113569280.

The previous prime is 42084781847. The next prime is 42084781913. The reversal of 42084781860 is 6818748024.

42084781860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42084781860² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46399527 + ... + 46400433.

It is an arithmetic number, because the mean of its divisors is an integer number (675388560).

Almost surely, 2^42084781860 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 42084781860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64837301760).

42084781860 is an abundant number, since it is smaller than the sum of its proper divisors (87589821660).

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

42084781860 is a wasteful number, since it uses less digits than its factorization.

42084781860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 42084781860 in words is "forty-two billion, eighty-four million, seven hundred eighty-one thousand, eight hundred sixty".