326431444442 has 8 divisors (see below), whose sum is σ = 490810225332. Its totient is φ = 162828036000.

The previous prime is 326431444429. The next prime is 326431444447. The reversal of 326431444442 is 244444134623.

It can be written as a sum of positive squares in 2 ways, for example, as 278075874241 + 48355570201 = 527329^2 + 219899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 326431444442.

It is not an unprimeable number, because it can be changed into a prime (326431444447) 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, 193842059 + ... + 193843742.

Almost surely, 2^326431444442 is an apocalyptic number.

326431444442 is a deficient number, since it is larger than the sum of its proper divisors (164378780890).

326431444442 is a wasteful number, since it uses less digits than its factorization.

326431444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387686224.

The product of its digits is 884736, while the sum is 41.

The spelling of 326431444442 in words is "three hundred twenty-six billion, four hundred thirty-one million, four hundred forty-four thousand, four hundred forty-two".