2104021442 has 8 divisors (see below), whose sum is σ = 3156769596. Its totient is φ = 1051764912.

The previous prime is 2104021421. The next prime is 2104021453. The reversal of 2104021442 is 2441204012.

It can be written as a sum of positive squares in 2 ways, for example, as 1570457641 + 533563801 = 39629^2 + 23099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112013 + ... + 129440.

Almost surely, 2^2104021442 is an apocalyptic number.

2104021442 is a deficient number, since it is larger than the sum of its proper divisors (1052748154).

2104021442 is a wasteful number, since it uses less digits than its factorization.

2104021442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245812.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2104021442 is about 45869.6134930304. The cubic root of 2104021442 is about 1281.3960683376.

Adding to 2104021442 its reverse (2441204012), we get a palindrome (4545225454).

The spelling of 2104021442 in words is "two billion, one hundred four million, twenty-one thousand, four hundred forty-two".