1042409280425 has 24 divisors (see below), whose sum is σ = 1307630871000. Its totient is φ = 824229486080.

The previous prime is 1042409280391. The next prime is 1042409280461. The reversal of 1042409280425 is 5240829042401.

It can be written as a sum of positive squares in 12 ways, for example, as 204944533264 + 837464747161 = 452708^2 + 915131^2 .

It is not a de Polignac number, because 1042409280425 - 2⁶ = 1042409280361 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 5579627 + ... + 5763423.

It is an arithmetic number, because the mean of its divisors is an integer number (54484619625).

Almost surely, 2^{1042409280425} is an apocalyptic number.

It is an amenable number.

1042409280425 is a deficient number, since it is larger than the sum of its proper divisors (265221590575).

1042409280425 is a wasteful number, since it uses less digits than its factorization.

1042409280425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186445 (or 186440 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 1042409280425 in words is "one trillion, forty-two billion, four hundred nine million, two hundred eighty thousand, four hundred twenty-five".