42204141665 has 32 divisors (see below), whose sum is σ = 58887025920. Its totient is φ = 28436889600.

The previous prime is 42204141659. The next prime is 42204141697. The reversal of 42204141665 is 56614140224.

It is not a de Polignac number, because 42204141665 - 2¹⁴ = 42204125281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 9250985 + ... + 9255545.

It is an arithmetic number, because the mean of its divisors is an integer number (1840219560).

Almost surely, 2^42204141665 is an apocalyptic number.

It is an amenable number.

42204141665 is a deficient number, since it is larger than the sum of its proper divisors (16682884255).

42204141665 is a wasteful number, since it uses less digits than its factorization.

42204141665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9113.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 42204141665 its reverse (56614140224), we get a palindrome (98818281889).

The spelling of 42204141665 in words is "forty-two billion, two hundred four million, one hundred forty-one thousand, six hundred sixty-five".