344320443401 has 16 divisors (see below), whose sum is σ = 379541973888. Its totient is φ = 309755472000.

The previous prime is 344320443377. The next prime is 344320443437. The reversal of 344320443401 is 104344023443.

It is a cyclic number.

It is not a de Polignac number, because 344320443401 - 2²² = 344316249097 is a prime.

It is a super-2 number, since 2×344320443401² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344320443101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2044340 + ... + 2206346.

It is an arithmetic number, because the mean of its divisors is an integer number (23721373368).

Almost surely, 2^344320443401 is an apocalyptic number.

It is an amenable number.

344320443401 is a deficient number, since it is larger than the sum of its proper divisors (35221530487).

344320443401 is a wasteful number, since it uses less digits than its factorization.

344320443401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164032.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 344320443401 its reverse (104344023443), we get a palindrome (448664466844).

The spelling of 344320443401 in words is "three hundred forty-four billion, three hundred twenty million, four hundred forty-three thousand, four hundred one".