1040020444042 has 16 divisors (see below), whose sum is σ = 1612129796352. Its totient is φ = 502680836160.

The previous prime is 1040020444037. The next prime is 1040020444051. The reversal of 1040020444042 is 2404440200401.

It is a junction number, because it is equal to n+sod(n) for n = 1040020443998 and 1040020444016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9191023 + ... + 9303490.

It is an arithmetic number, because the mean of its divisors is an integer number (100758112272).

Almost surely, 2^{1040020444042} is an apocalyptic number.

1040020444042 is a deficient number, since it is larger than the sum of its proper divisors (572109352310).

1040020444042 is a wasteful number, since it uses less digits than its factorization.

1040020444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18495453.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 1040020444042 its reverse (2404440200401), we get a palindrome (3444460644443).

The spelling of 1040020444042 in words is "one trillion, forty billion, twenty million, four hundred forty-four thousand, forty-two".