326126126128 has 20 divisors (see below), whose sum is σ = 689312039688. Its totient is φ = 148239148160.

The previous prime is 326126126113. The next prime is 326126126149. The reversal of 326126126128 is 821621621623.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926494501 + ... + 926494852.

Almost surely, 2^326126126128 is an apocalyptic number.

It is an amenable number.

326126126128 is an abundant number, since it is smaller than the sum of its proper divisors (363185913560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326126126128 is a wasteful number, since it uses less digits than its factorization.

326126126128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852989372 (or 1852989366 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

It can be divided in two parts, 326126 and 126128, that added together give a palindrome (452254).

The spelling of 326126126128 in words is "three hundred twenty-six billion, one hundred twenty-six million, one hundred twenty-six thousand, one hundred twenty-eight".