1042424320401 has 8 divisors (see below), whose sum is σ = 1544332326560. Its totient is φ = 694949546916.

The previous prime is 1042424320381. The next prime is 1042424320417. The reversal of 1042424320401 is 1040234242401.

1042424320401 is a `hidden beast` number, since 10 + 4 + 2 + 4 + 243 + 2 + 0 + 401 = 666.

1042424320401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1042424320401 - 2⁶ = 1042424320337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 38608308163 = 1042424320401 / (1 + 0 + 4 + 2 + 4 + 2 + 4 + 3 + 2 + 0 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042424320481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19304154055 + ... + 19304154108.

It is an arithmetic number, because the mean of its divisors is an integer number (193041540820).

Almost surely, 2^{1042424320401} is an apocalyptic number.

It is an amenable number.

1042424320401 is a deficient number, since it is larger than the sum of its proper divisors (501908006159).

1042424320401 is an equidigital number, since it uses as much as digits as its factorization.

1042424320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38608308172 (or 38608308166 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1042424320401 its reverse (1040234242401), we get a palindrome (2082658562802).

The spelling of 1042424320401 in words is "one trillion, forty-two billion, four hundred twenty-four million, three hundred twenty thousand, four hundred one".