1380339809280 has 352 divisors, whose sum is σ = 4934935111680. Its totient is φ = 365880360960.

The previous prime is 1380339809263. The next prime is 1380339809287. The reversal of 1380339809280 is 829089330831.

It is a happy number.

1380339809280 is a `hidden beast` number, since 13 + 80 + 3 + 398 + 0 + 92 + 80 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380339809287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23056185 + ... + 23115975.

Almost surely, 2^{1380339809280} is an apocalyptic number.

1380339809280 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 1380339809280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2467467555840).

1380339809280 is an abundant number, since it is smaller than the sum of its proper divisors (3554595302400).

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

1380339809280 is a wasteful number, since it uses less digits than its factorization.

1380339809280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59992 (or 59968 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 1380339809280 in words is "one trillion, three hundred eighty billion, three hundred thirty-nine million, eight hundred nine thousand, two hundred eighty".