1451330656332 has 96 divisors (see below), whose sum is σ = 3561784579584. Its totient is φ = 459064320000.

The previous prime is 1451330656327. The next prime is 1451330656379. The reversal of 1451330656332 is 2336560331541.

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 31 ways as a sum of consecutive naturals, for example, 198890508 + ... + 198897804.

It is an arithmetic number, because the mean of its divisors is an integer number (37101922704).

Almost surely, 2^{1451330656332} is an apocalyptic number.

1451330656332 is a gapful number since it is divisible by the number (12) 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 1451330656332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780892289792).

1451330656332 is an abundant number, since it is smaller than the sum of its proper divisors (2110453923252).

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

1451330656332 is a wasteful number, since it uses less digits than its factorization.

1451330656332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12959 (or 12957 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

Adding to 1451330656332 its reverse (2336560331541), we get a palindrome (3787890987873).

The spelling of 1451330656332 in words is "one trillion, four hundred fifty-one billion, three hundred thirty million, six hundred fifty-six thousand, three hundred thirty-two".