326284098416640 has 2808 divisors, whose sum is σ = 1432141091286048. Its totient is φ = 68479415746560.

The previous prime is 326284098416621. The next prime is 326284098416677. The reversal of 326284098416640 is 46614890482623.

It is a happy number.

326284098416640 is a `hidden beast` number, since 3 + 2 + 6 + 28 + 409 + 8 + 4 + 166 + 40 = 666.

It is a super-2 number, since 2×326284098416640² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 367851294277 + ... + 367851295163.

It is an arithmetic number, because the mean of its divisors is an integer number (510021756156).

Almost surely, 2^{326284098416640} is an apocalyptic number.

326284098416640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326284098416640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716070545643024).

326284098416640 is an abundant number, since it is smaller than the sum of its proper divisors (1105856992869408).

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

326284098416640 is a wasteful number, since it uses less digits than its factorization.

326284098416640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 95551488, while the sum is 63.

The spelling of 326284098416640 in words is "three hundred twenty-six trillion, two hundred eighty-four billion, ninety-eight million, four hundred sixteen thousand, six hundred forty".