1397075570280 has 512 divisors, whose sum is σ = 5186145484800. Its totient is φ = 332209382400.

The previous prime is 1397075570279. The next prime is 1397075570299. The reversal of 1397075570280 is 820755707931.

It is a happy number.

1397075570280 is a `hidden beast` number, since 1 + 3 + 9 + 7 + 0 + 7 + 557 + 0 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 274633897 + ... + 274638983.

It is an arithmetic number, because the mean of its divisors is an integer number (10129190400).

Almost surely, 2^{1397075570280} is an apocalyptic number.

1397075570280 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 1397075570280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2593072742400).

1397075570280 is an abundant number, since it is smaller than the sum of its proper divisors (3789069914520).

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

1397075570280 is a wasteful number, since it uses less digits than its factorization.

1397075570280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782 (or 5772 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 54.

The spelling of 1397075570280 in words is "one trillion, three hundred ninety-seven billion, seventy-five million, five hundred seventy thousand, two hundred eighty".