1363858778880 has 432 divisors, whose sum is σ = 5245741353216. Its totient is φ = 324888330240.

The previous prime is 1363858778837. The next prime is 1363858778899. The reversal of 1363858778880 is 888778583631.

1363858778880 is a `hidden beast` number, since 1 + 3 + 6 + 38 + 587 + 7 + 8 + 8 + 8 + 0 = 666.

It is a super-2 number, since 2×1363858778880² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 1363858778799 and 1363858778808.

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 47 ways as a sum of consecutive naturals, for example, 4495674 + ... + 4789446.

Almost surely, 2^{1363858778880} is an apocalyptic number.

1363858778880 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 1363858778880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2622870676608).

1363858778880 is an abundant number, since it is smaller than the sum of its proper divisors (3881882574336).

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

1363858778880 is a wasteful number, since it uses less digits than its factorization.

1363858778880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293844 (or 293827 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 72.

The spelling of 1363858778880 in words is "one trillion, three hundred sixty-three billion, eight hundred fifty-eight million, seven hundred seventy-eight thousand, eight hundred eighty".