1320433341444 has 48 divisors (see below), whose sum is σ = 3912395088000. Its totient is φ = 377266668768.

The previous prime is 1320433341421. The next prime is 1320433341457. The reversal of 1320433341444 is 4441433340231.

1320433341444 is a `hidden beast` number, since 1 + 3 + 204 + 3 + 3 + 3 + 4 + 1 + 444 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1320433341399 and 1320433341408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873301719 + ... + 873303230.

It is an arithmetic number, because the mean of its divisors is an integer number (81508231000).

Almost surely, 2^{1320433341444} is an apocalyptic number.

1320433341444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1320433341444 is an abundant number, since it is smaller than the sum of its proper divisors (2591961746556).

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

1320433341444 is a wasteful number, since it uses less digits than its factorization.

1320433341444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746604969 (or 1746604961 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 1320433341444 its reverse (4441433340231), we get a palindrome (5761866681675).

The spelling of 1320433341444 in words is "one trillion, three hundred twenty billion, four hundred thirty-three million, three hundred forty-one thousand, four hundred forty-four".