1404042515225 has 24 divisors (see below), whose sum is σ = 1989796805568. Its totient is φ = 962739115200.

The previous prime is 1404042515201. The next prime is 1404042515251. The reversal of 1404042515225 is 5225152404041.

It is not a de Polignac number, because 1404042515225 - 2²⁸ = 1403774079769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5710070 + ... + 5950880.

It is an arithmetic number, because the mean of its divisors is an integer number (82908200232).

Almost surely, 2^{1404042515225} is an apocalyptic number.

It is an amenable number.

1404042515225 is a deficient number, since it is larger than the sum of its proper divisors (585754290343).

1404042515225 is a wasteful number, since it uses less digits than its factorization.

1404042515225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274145 (or 274140 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 1404042515225 its reverse (5225152404041), we get a palindrome (6629194919266).

The spelling of 1404042515225 in words is "one trillion, four hundred four billion, forty-two million, five hundred fifteen thousand, two hundred twenty-five".