404340740341 has 4 divisors (see below), whose sum is σ = 410375676832. Its totient is φ = 398305803852.

The previous prime is 404340740281. The next prime is 404340740389. The reversal of 404340740341 is 143047043404.

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 404340740341 - 2¹⁹ = 404340216053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404340740297 and 404340740306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404340740641) 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, 3017468145 + ... + 3017468278.

It is an arithmetic number, because the mean of its divisors is an integer number (102593919208).

Almost surely, 2^404340740341 is an apocalyptic number.

It is an amenable number.

404340740341 is a deficient number, since it is larger than the sum of its proper divisors (6034936491).

404340740341 is an equidigital number, since it uses as much as digits as its factorization.

404340740341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034936490.

The product of its (nonzero) digits is 64512, while the sum is 34.

Adding to 404340740341 its reverse (143047043404), we get a palindrome (547387783745).

The spelling of 404340740341 in words is "four hundred four billion, three hundred forty million, seven hundred forty thousand, three hundred forty-one".