42204006660 has 48 divisors (see below), whose sum is σ = 118180440000. Its totient is φ = 11253523584.

The previous prime is 42204006641. The next prime is 42204006721. The reversal of 42204006660 is 6660040224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206091 + ... + 1240589.

It is an arithmetic number, because the mean of its divisors is an integer number (2462092500).

Almost surely, 2^42204006660 is an apocalyptic number.

It is an amenable number.

42204006660 is an abundant number, since it is smaller than the sum of its proper divisors (75976433340).

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

42204006660 is a wasteful number, since it uses less digits than its factorization.

42204006660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54900 (or 54898 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 42204006660 its reverse (6660040224), we get a palindrome (48864046884).

The spelling of 42204006660 in words is "forty-two billion, two hundred four million, six thousand, six hundred sixty".