344440140211432 has 16 divisors (see below), whose sum is σ = 655464445925760. Its totient is φ = 169649621297904.

The previous prime is 344440140211429. The next prime is 344440140211469. The reversal of 344440140211432 is 234112041044443.

It is a junction number, because it is equal to n+sod(n) for n = 344440140211391 and 344440140211400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321306100408 + ... + 321306101479.

It is an arithmetic number, because the mean of its divisors is an integer number (40966527870360).

Almost surely, 2^{344440140211432} is an apocalyptic number.

It is an amenable number.

344440140211432 is a deficient number, since it is larger than the sum of its proper divisors (311024305714328).

344440140211432 is a wasteful number, since it uses less digits than its factorization.

344440140211432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642612201960 (or 642612201956 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 344440140211432 its reverse (234112041044443), we get a palindrome (578552181255875).

The spelling of 344440140211432 in words is "three hundred forty-four trillion, four hundred forty billion, one hundred forty million, two hundred eleven thousand, four hundred thirty-two".