1320233040144 has 120 divisors (see below), whose sum is σ = 3865972061952. Its totient is φ = 419796495360.

The previous prime is 1320233040127. The next prime is 1320233040179. The reversal of 1320233040144 is 4410403320231.

1320233040144 is a `hidden beast` number, since 1 + 3 + 20 + 233 + 0 + 401 + 4 + 4 = 666.

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, 672424 + ... + 1758584.

Almost surely, 2^{1320233040144} 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 1320233040144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1932986030976).

1320233040144 is an abundant number, since it is smaller than the sum of its proper divisors (2545739021808).

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

1320233040144 is a wasteful number, since it uses less digits than its factorization.

1320233040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086565 (or 1086556 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1320233040144 its reverse (4410403320231), we get a palindrome (5730636360375).

The spelling of 1320233040144 in words is "one trillion, three hundred twenty billion, two hundred thirty-three million, forty thousand, one hundred forty-four".