3440042212141 has 4 divisors (see below), whose sum is σ = 3440397708252. Its totient is φ = 3439686716032.

The previous prime is 3440042212133. The next prime is 3440042212147. The reversal of 3440042212141 is 1412122400443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 918444306025 + 2521597906116 = 958355^2 + 1587954^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440042212141 - 2³ = 3440042212133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440042212147) 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, 177733540 + ... + 177752893.

It is an arithmetic number, because the mean of its divisors is an integer number (860099427063).

Almost surely, 2^{3440042212141} is an apocalyptic number.

It is an amenable number.

3440042212141 is a deficient number, since it is larger than the sum of its proper divisors (355496111).

3440042212141 is an equidigital number, since it uses as much as digits as its factorization.

3440042212141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355496110.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 3440042212141 its reverse (1412122400443), we get a palindrome (4852164612584).

The spelling of 3440042212141 in words is "three trillion, four hundred forty billion, forty-two million, two hundred twelve thousand, one hundred forty-one".