1042311400642 has 16 divisors (see below), whose sum is σ = 1588661504640. Its totient is φ = 512802596592.

The previous prime is 1042311400639. The next prime is 1042311400709. The reversal of 1042311400642 is 2460041132401.

It is a self number, because there is not a number n which added to its sum of digits gives 1042311400642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11211228 + ... + 11303815.

It is an arithmetic number, because the mean of its divisors is an integer number (99291344040).

Almost surely, 2^{1042311400642} is an apocalyptic number.

1042311400642 is a deficient number, since it is larger than the sum of its proper divisors (546350103998).

1042311400642 is a wasteful number, since it uses less digits than its factorization.

1042311400642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22515417.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 1042311400642 in words is "one trillion, forty-two billion, three hundred eleven million, four hundred thousand, six hundred forty-two".