1379881356480 has 336 divisors, whose sum is σ = 5183507706624. Its totient is φ = 334140917760.

The previous prime is 1379881356473. The next prime is 1379881356517. The reversal of 1379881356480 is 846531889731.

1379881356480 is a `hidden beast` number, since 1 + 3 + 7 + 98 + 8 + 13 + 56 + 480 = 666.

It is a super-2 number, since 2×1379881356480² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28709749 + ... + 28757771.

Almost surely, 2^{1379881356480} is an apocalyptic number.

1379881356480 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 1379881356480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2591753853312).

1379881356480 is an abundant number, since it is smaller than the sum of its proper divisors (3803626350144).

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

1379881356480 is a wasteful number, since it uses less digits than its factorization.

1379881356480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48964 (or 48951 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 1379881356480 in words is "one trillion, three hundred seventy-nine billion, eight hundred eighty-one million, three hundred fifty-six thousand, four hundred eighty".