1397260575480 has 256 divisors, whose sum is σ = 5226978677760. Its totient is φ = 290292019200.

The previous prime is 1397260575479. The next prime is 1397260575533. The reversal of 1397260575480 is 845750627931.

It is a self number, because there is not a number n which added to its sum of digits gives 1397260575480.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96615450 + ... + 96629910.

It is an arithmetic number, because the mean of its divisors is an integer number (20417885460).

It is a 1-persistent number, because it is pandigital, but 2⋅1397260575480 = 2794521150960 is not.

Almost surely, 2^{1397260575480} is an apocalyptic number.

1397260575480 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 1397260575480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2613489338880).

1397260575480 is an abundant number, since it is smaller than the sum of its proper divisors (3829718102280).

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

1397260575480 is a wasteful number, since it uses less digits than its factorization.

1397260575480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24950 (or 24946 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 1397260575480 in words is "one trillion, three hundred ninety-seven billion, two hundred sixty million, five hundred seventy-five thousand, four hundred eighty".