1042404202017 has 24 divisors (see below), whose sum is σ = 1546453679784. Its totient is φ = 676125978624.

The previous prime is 1042404202003. The next prime is 1042404202019. The reversal of 1042404202017 is 7102024042401.

1042404202017 is a `hidden beast` number, since 1 + 0 + 42 + 404 + 202 + 0 + 17 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 284397157521 + 758007044496 = 533289^2 + 870636^2 .

It is not a de Polignac number, because 1042404202017 - 2⁴ = 1042404202001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042404202019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10564603 + ... + 10662815.

It is an arithmetic number, because the mean of its divisors is an integer number (64435569991).

Almost surely, 2^{1042404202017} is an apocalyptic number.

It is an amenable number.

1042404202017 is a deficient number, since it is larger than the sum of its proper divisors (504049477767).

1042404202017 is a wasteful number, since it uses less digits than its factorization.

1042404202017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130129 (or 130126 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

Adding to 1042404202017 its reverse (7102024042401), we get a palindrome (8144428244418).

It can be divided in two parts, 1042404 and 202017, that added together give a palindrome (1244421).

The spelling of 1042404202017 in words is "one trillion, forty-two billion, four hundred four million, two hundred two thousand, seventeen".