1395281362944 has 552 divisors, whose sum is σ = 4529042473728. Its totient is φ = 380507258880.

The previous prime is 1395281362877. The next prime is 1395281362997. The reversal of 1395281362944 is 4492631825931.

It is a congruent number.

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, 19113443292 + ... + 19113443364.

Almost surely, 2^{1395281362944} is an apocalyptic number.

1395281362944 is a gapful number since it is divisible by the number (14) 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 1395281362944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2264521236864).

1395281362944 is an abundant number, since it is smaller than the sum of its proper divisors (3133761110784).

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

1395281362944 is an frugal number, since it uses more digits than its factorization.

1395281362944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 116 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 57.

The spelling of 1395281362944 in words is "one trillion, three hundred ninety-five billion, two hundred eighty-one million, three hundred sixty-two thousand, nine hundred forty-four".