344404122454 has 32 divisors (see below), whose sum is σ = 591649920000. Its totient is φ = 147291275040.

The previous prime is 344404122437. The next prime is 344404122529. The reversal of 344404122454 is 454221404443.

It is a happy number.

It is a super-2 number, since 2×344404122454² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22726872 + ... + 22742020.

It is an arithmetic number, because the mean of its divisors is an integer number (18489060000).

Almost surely, 2^344404122454 is an apocalyptic number.

344404122454 is a deficient number, since it is larger than the sum of its proper divisors (247245797546).

344404122454 is a wasteful number, since it uses less digits than its factorization.

344404122454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18468.

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 344404122454 its reverse (454221404443), we get a palindrome (798625526897).

The spelling of 344404122454 in words is "three hundred forty-four billion, four hundred four million, one hundred twenty-two thousand, four hundred fifty-four".