2061044042 has 4 divisors (see below), whose sum is σ = 3091566066. Its totient is φ = 1030522020.

The previous prime is 2061043987. The next prime is 2061044071. The reversal of 2061044042 is 2404401602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2046748081 + 14295961 = 45241^2 + 3781^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2061043999 and 2061044017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515261009 + ... + 515261012.

Almost surely, 2^2061044042 is an apocalyptic number.

2061044042 is a deficient number, since it is larger than the sum of its proper divisors (1030522024).

2061044042 is a wasteful number, since it uses less digits than its factorization.

2061044042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030522023.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2061044042 is about 45398.7229115534. The cubic root of 2061044042 is about 1272.6112479115.

Adding to 2061044042 its reverse (2404401602), we get a palindrome (4465445644).

The spelling of 2061044042 in words is "two billion, sixty-one million, forty-four thousand, forty-two".