3440121210542 has 16 divisors (see below), whose sum is σ = 5162068880640. Its totient is φ = 1719431678688.

The previous prime is 3440121210511. The next prime is 3440121210601. The reversal of 3440121210542 is 2450121210443.

It is a happy number.

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, 135058184 + ... + 135083652.

It is an arithmetic number, because the mean of its divisors is an integer number (322629305040).

Almost surely, 2^{3440121210542} is an apocalyptic number.

3440121210542 is a deficient number, since it is larger than the sum of its proper divisors (1721947670098).

3440121210542 is a wasteful number, since it uses less digits than its factorization.

3440121210542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47515.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 3440121210542 its reverse (2450121210443), we get a palindrome (5890242420985).

Subtracting from 3440121210542 its reverse (2450121210443), we obtain a palindrome (990000000099).

The spelling of 3440121210542 in words is "three trillion, four hundred forty billion, one hundred twenty-one million, two hundred ten thousand, five hundred forty-two".