5449405680000 has 1280 divisors, whose sum is σ = 20984882688000. Its totient is φ = 1390141440000.

The previous prime is 5449405679917. The next prime is 5449405680113. The reversal of 5449405680000 is 865049445.

5449405680000 is a `hidden beast` number, since 5 + 4 + 49 + 40 + 568 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 6495119581 + ... + 6495120419.

It is an arithmetic number, because the mean of its divisors is an integer number (16394439600).

Almost surely, 2^{5449405680000} is an apocalyptic number.

5449405680000 is a gapful number since it is divisible by the number (50) 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 5449405680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10492441344000).

5449405680000 is an abundant number, since it is smaller than the sum of its proper divisors (15535477008000).

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

5449405680000 is an equidigital number, since it uses as much as digits as its factorization.

5449405680000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 5449405680000 in words is "five trillion, four hundred forty-nine billion, four hundred five million, six hundred eighty thousand".