1380715557480 has 960 divisors, whose sum is σ = 5500164384000. Its totient is φ = 309698049024.

The previous prime is 1380715557457. The next prime is 1380715557499. The reversal of 1380715557480 is 847555170831.

1380715557480 is a `hidden beast` number, since 1 + 3 + 8 + 0 + 7 + 1 + 5 + 557 + 4 + 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 (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 3549397126 + ... + 3549397514.

It is an arithmetic number, because the mean of its divisors is an integer number (5729337900).

Almost surely, 2^{1380715557480} is an apocalyptic number.

1380715557480 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 1380715557480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2750082192000).

1380715557480 is an abundant number, since it is smaller than the sum of its proper divisors (4119448826520).

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

1380715557480 is a wasteful number, since it uses less digits than its factorization.

1380715557480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 54.

The spelling of 1380715557480 in words is "one trillion, three hundred eighty billion, seven hundred fifteen million, five hundred fifty-seven thousand, four hundred eighty".