1304440220132 has 72 divisors (see below), whose sum is σ = 2754310837824. Its totient is φ = 529450375104.

The previous prime is 1304440220119. The next prime is 1304440220147. The reversal of 1304440220132 is 2310220444031.

It is a super-3 number, since 3×1304440220132³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33812198 + ... + 33850754.

It is an arithmetic number, because the mean of its divisors is an integer number (38254317192).

Almost surely, 2^{1304440220132} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304440220132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1377155418912).

1304440220132 is an abundant number, since it is smaller than the sum of its proper divisors (1449870617692).

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

1304440220132 is a wasteful number, since it uses less digits than its factorization.

1304440220132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41953 (or 41932 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1304440220132 its reverse (2310220444031), we get a palindrome (3614660664163).

The spelling of 1304440220132 in words is "one trillion, three hundred four billion, four hundred forty million, two hundred twenty thousand, one hundred thirty-two".