1395821298928 has 80 divisors (see below), whose sum is σ = 3110856448000. Its totient is φ = 594327829248.

The previous prime is 1395821298917. The next prime is 1395821298947. The reversal of 1395821298928 is 8298921285931.

It is a congruent number.

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, 12407026 + ... + 12519022.

It is an arithmetic number, because the mean of its divisors is an integer number (38885705600).

Almost surely, 2^{1395821298928} 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 1395821298928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555428224000).

1395821298928 is an abundant number, since it is smaller than the sum of its proper divisors (1715035149072).

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

1395821298928 is a wasteful number, since it uses less digits than its factorization.

1395821298928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112734 (or 112728 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 67.

The spelling of 1395821298928 in words is "one trillion, three hundred ninety-five billion, eight hundred twenty-one million, two hundred ninety-eight thousand, nine hundred twenty-eight".