4021661042200 has 96 divisors (see below), whose sum is σ = 10025705188800. Its totient is φ = 1494871971840.

The previous prime is 4021661042093. The next prime is 4021661042213. The reversal of 4021661042200 is 22401661204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7217739 + ... + 7754938.

It is an arithmetic number, because the mean of its divisors is an integer number (104434429050).

Almost surely, 2^{4021661042200} is an apocalyptic number.

4021661042200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4021661042200 is an abundant number, since it is smaller than the sum of its proper divisors (6004044146600).

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

4021661042200 is a wasteful number, since it uses less digits than its factorization.

4021661042200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14972789 (or 14972780 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 4021661042200 in words is "four trillion, twenty-one billion, six hundred sixty-one million, forty-two thousand, two hundred".