1397489708160 has 1280 divisors, whose sum is σ = 6247737619200. Its totient is φ = 289799700480.

The previous prime is 1397489708159. The next prime is 1397489708171. The reversal of 1397489708160 is 618079847931.

1397489708160 is a `hidden beast` number, since 1 + 3 + 9 + 7 + 489 + 70 + 81 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 278326450 + ... + 278331470.

It is an arithmetic number, because the mean of its divisors is an integer number (4881045015).

Almost surely, 2^{1397489708160} is an apocalyptic number.

1397489708160 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 1397489708160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3123868809600).

1397489708160 is an abundant number, since it is smaller than the sum of its proper divisors (4850247911040).

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

1397489708160 is a wasteful number, since it uses less digits than its factorization.

1397489708160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131 (or 5110 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 1397489708160 in words is "one trillion, three hundred ninety-seven billion, four hundred eighty-nine million, seven hundred eight thousand, one hundred sixty".