5449194888064 has 64 divisors (see below), whose sum is σ = 11062166293440. Its totient is φ = 2672822204416.

The previous prime is 5449194888061. The next prime is 5449194888119. The reversal of 5449194888064 is 4608884919445.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 5449194887984 and 5449194888002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5449194888061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53019894 + ... + 53122570.

It is an arithmetic number, because the mean of its divisors is an integer number (172846348335).

Almost surely, 2^{5449194888064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5449194888064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5531083146720).

5449194888064 is an abundant number, since it is smaller than the sum of its proper divisors (5612971405376).

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

5449194888064 is a wasteful number, since it uses less digits than its factorization.

5449194888064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110567 (or 110555 counting only the distinct ones).

The product of its (nonzero) digits is 318504960, while the sum is 70.

The spelling of 5449194888064 in words is "five trillion, four hundred forty-nine billion, one hundred ninety-four million, eight hundred eighty-eight thousand, sixty-four".