344820138244358 has 16 divisors (see below), whose sum is σ = 591120584953344. Its totient is φ = 147779972256840.

The previous prime is 344820138244261. The next prime is 344820138244391. The reversal of 344820138244358 is 853442831028443.

It is a junction number, because it is equal to n+sod(n) for n = 344820138244297 and 344820138244306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21245693 + ... + 33778983.

It is an arithmetic number, because the mean of its divisors is an integer number (36945036559584).

Almost surely, 2^{344820138244358} is an apocalyptic number.

344820138244358 is a deficient number, since it is larger than the sum of its proper divisors (246300446708986).

344820138244358 is a wasteful number, since it uses less digits than its factorization.

344820138244358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14498467.

The product of its (nonzero) digits is 70778880, while the sum is 59.

The spelling of 344820138244358 in words is "three hundred forty-four trillion, eight hundred twenty billion, one hundred thirty-eight million, two hundred forty-four thousand, three hundred fifty-eight".