2104200042 has 32 divisors (see below), whose sum is σ = 4907760000. Its totient is φ = 601199424.

The previous prime is 2104200037. The next prime is 2104200053. The reversal of 2104200042 is 2400024012.

It is a junction number, because it is equal to n+sod(n) for n = 2104199994 and 2104200030.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509167 + ... + 513282.

It is an arithmetic number, because the mean of its divisors is an integer number (153367500).

Almost surely, 2^2104200042 is an apocalyptic number.

2104200042 is an abundant number, since it is smaller than the sum of its proper divisors (2803559958).

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

2104200042 is a wasteful number, since it uses less digits than its factorization.

2104200042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022475 (or 1022461 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2104200042 is about 45871.5602743138. The cubic root of 2104200042 is about 1281.4323244419.

Adding to 2104200042 its reverse (2400024012), we get a palindrome (4504224054).

The spelling of 2104200042 in words is "two billion, one hundred four million, two hundred thousand, forty-two".