1328265042000 has 480 divisors, whose sum is σ = 4821114095616. Its totient is φ = 312732288000.

The previous prime is 1328265041963. The next prime is 1328265042031. The reversal of 1328265042000 is 2405628231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41245905 + ... + 41278095.

Almost surely, 2^{1328265042000} is an apocalyptic number.

1328265042000 is a gapful number since it is divisible by the number (10) 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 1328265042000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2410557047808).

1328265042000 is an abundant number, since it is smaller than the sum of its proper divisors (3492849053616).

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

1328265042000 is a wasteful number, since it uses less digits than its factorization.

1328265042000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32276 (or 32237 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 1328265042000 in words is "one trillion, three hundred twenty-eight billion, two hundred sixty-five million, forty-two thousand".