1042444545680 has 20 divisors (see below), whose sum is σ = 2423683568892. Its totient is φ = 416977818240.

The previous prime is 1042444545577. The next prime is 1042444545691. The reversal of 1042444545680 is 865454442401.

1042444545680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 718669889536 + 323774656144 = 847744^2 + 569012^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6515278331 + ... + 6515278490.

Almost surely, 2^{1042444545680} is an apocalyptic number.

1042444545680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042444545680 is an abundant number, since it is smaller than the sum of its proper divisors (1381239023212).

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

1042444545680 is a wasteful number, since it uses less digits than its factorization.

1042444545680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13030556834 (or 13030556828 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 47.

The spelling of 1042444545680 in words is "one trillion, forty-two billion, four hundred forty-four million, five hundred forty-five thousand, six hundred eighty".