904042240409 has 32 divisors (see below), whose sum is σ = 1161977376000. Its totient is φ = 697185861120.

The previous prime is 904042240397. The next prime is 904042240429.

904042240409 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 904042240409 - 2¹² = 904042236313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (904042240429) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 869114 + ... + 1601075.

It is an arithmetic number, because the mean of its divisors is an integer number (36311793000).

Almost surely, 2^904042240409 is an apocalyptic number.

It is an amenable number.

904042240409 is a deficient number, since it is larger than the sum of its proper divisors (257935135591).

904042240409 is a wasteful number, since it uses less digits than its factorization.

904042240409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470318 (or 2470304 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 904042240409 in words is "nine hundred four billion, forty-two million, two hundred forty thousand, four hundred nine".