1044542246642 has 64 divisors (see below), whose sum is σ = 1761279206400. Its totient is φ = 462516480000.

The previous prime is 1044542246621. The next prime is 1044542246677. The reversal of 1044542246642 is 2466422454401.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1044542246593 and 1044542246602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4771034 + ... + 4985162.

It is an arithmetic number, because the mean of its divisors is an integer number (27519987600).

Almost surely, 2^{1044542246642} is an apocalyptic number.

1044542246642 is a deficient number, since it is larger than the sum of its proper divisors (716736959758).

1044542246642 is a wasteful number, since it uses less digits than its factorization.

1044542246642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214323.

The product of its (nonzero) digits is 1474560, while the sum is 44.

The spelling of 1044542246642 in words is "one trillion, forty-four billion, five hundred forty-two million, two hundred forty-six thousand, six hundred forty-two".