1042296643044 has 96 divisors (see below), whose sum is σ = 2727343006080. Its totient is φ = 344214748800.

The previous prime is 1042296643033. The next prime is 1042296643081. The reversal of 1042296643044 is 4403466922401.

1042296643044 is a `hidden beast` number, since 10 + 42 + 296 + 6 + 4 + 304 + 4 = 666.

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, 8612634 + ... + 8732814.

It is an arithmetic number, because the mean of its divisors is an integer number (28409822980).

Almost surely, 2^{1042296643044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042296643044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1363671503040).

1042296643044 is an abundant number, since it is smaller than the sum of its proper divisors (1685046363036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042296643044 is a wasteful number, since it uses less digits than its factorization.

1042296643044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120938 (or 120930 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 1042296643044 in words is "one trillion, forty-two billion, two hundred ninety-six million, six hundred forty-three thousand, forty-four".