326138777144 has 16 divisors (see below), whose sum is σ = 612222106200. Its totient is φ = 162879548832.

The previous prime is 326138777117. The next prime is 326138777147. The reversal of 326138777144 is 441777831623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326138777147) 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, 23722667 + ... + 23736410.

Almost surely, 2^326138777144 is an apocalyptic number.

It is an amenable number.

326138777144 is a deficient number, since it is larger than the sum of its proper divisors (286083329056).

326138777144 is a wasteful number, since it uses less digits than its factorization.

326138777144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47459942 (or 47459938 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 53.

The spelling of 326138777144 in words is "three hundred twenty-six billion, one hundred thirty-eight million, seven hundred seventy-seven thousand, one hundred forty-four".