42006144660 has 24 divisors (see below), whose sum is σ = 117617205216. Its totient is φ = 11201638560.

The previous prime is 42006144643. The next prime is 42006144689. The reversal of 42006144660 is 6644160024.

42006144660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350051146 + ... + 350051265.

It is an arithmetic number, because the mean of its divisors is an integer number (4900716884).

Almost surely, 2^42006144660 is an apocalyptic number.

It is an amenable number.

42006144660 is an abundant number, since it is smaller than the sum of its proper divisors (75611060556).

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

42006144660 is a wasteful number, since it uses less digits than its factorization.

42006144660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700102423 (or 700102421 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 42006144660 in words is "forty-two billion, six million, one hundred forty-four thousand, six hundred sixty".