204010104042 has 48 divisors (see below), whose sum is σ = 448924874112. Its totient is φ = 66942754560.

The previous prime is 204010103971. The next prime is 204010104073. The reversal of 204010104042 is 240401010402.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1736442 + ... + 1850202.

It is an arithmetic number, because the mean of its divisors is an integer number (9352601544).

Almost surely, 2^204010104042 is an apocalyptic number.

204010104042 is an abundant number, since it is smaller than the sum of its proper divisors (244914770070).

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

204010104042 is a wasteful number, since it uses less digits than its factorization.

204010104042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115323 (or 115320 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 204010104042 its reverse (240401010402), we get a palindrome (444411114444).

The spelling of 204010104042 in words is "two hundred four billion, ten million, one hundred four thousand, forty-two".