304240400453 has 4 divisors (see below), whose sum is σ = 331898618688. Its totient is φ = 276582182220.

The previous prime is 304240400437. The next prime is 304240400507. The reversal of 304240400453 is 354004042403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 304240400453 - 2⁴ = 304240400437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304240400413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13829109101 + ... + 13829109122.

It is an arithmetic number, because the mean of its divisors is an integer number (82974654672).

Almost surely, 2^304240400453 is an apocalyptic number.

It is an amenable number.

304240400453 is a deficient number, since it is larger than the sum of its proper divisors (27658218235).

304240400453 is a wasteful number, since it uses less digits than its factorization.

304240400453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27658218234.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 304240400453 its reverse (354004042403), we get a palindrome (658244442856).

The spelling of 304240400453 in words is "three hundred four billion, two hundred forty million, four hundred thousand, four hundred fifty-three".