1326664414530 has 576 divisors, whose sum is σ = 4556858342400. Its totient is φ = 264696284160.

The previous prime is 1326664414507. The next prime is 1326664414531. The reversal of 1326664414530 is 354144666231.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1326664414531) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1079465956 + ... + 1079467184.

It is an arithmetic number, because the mean of its divisors is an integer number (7911212400).

Almost surely, 2^{1326664414530} is an apocalyptic number.

1326664414530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326664414530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2278429171200).

1326664414530 is an abundant number, since it is smaller than the sum of its proper divisors (3230193927870).

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

1326664414530 is a wasteful number, since it uses less digits than its factorization.

1326664414530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 1326664414530 in words is "one trillion, three hundred twenty-six billion, six hundred sixty-four million, four hundred fourteen thousand, five hundred thirty".