326431356401450 has 24 divisors (see below), whose sum is σ = 609524822241612. Its totient is φ = 130064478187520.

The previous prime is 326431356401429. The next prime is 326431356401453. The reversal of 326431356401450 is 54104653134623.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 226652693790121 + 99778662611329 = 15054989^2 + 9988927^2 .

It is a junction number, because it is equal to n+sod(n) for n = 326431356401395 and 326431356401404.

It is not an unprimeable number, because it can be changed into a prime (326431356401453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12701596349 + ... + 12701622048.

Almost surely, 2^{326431356401450} is an apocalyptic number.

326431356401450 is a deficient number, since it is larger than the sum of its proper divisors (283093465840162).

326431356401450 is a wasteful number, since it uses less digits than its factorization.

326431356401450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25403218666 (or 25403218661 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 326431356401450 in words is "three hundred twenty-six trillion, four hundred thirty-one billion, three hundred fifty-six million, four hundred one thousand, four hundred fifty".