5449374432 has 144 divisors (see below), whose sum is σ = 16043069952. Its totient is φ = 1752756480.

The previous prime is 5449374419. The next prime is 5449374443. The reversal of 5449374432 is 2344739445.

5449374432 is a `hidden beast` number, since 54 + 493 + 74 + 43 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4168723 + ... + 4170029.

It is an arithmetic number, because the mean of its divisors is an integer number (111410208).

Almost surely, 2^5449374432 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 5449374432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8021534976).

5449374432 is an abundant number, since it is smaller than the sum of its proper divisors (10593695520).

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

5449374432 is a wasteful number, since it uses less digits than its factorization.

5449374432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821 (or 1810 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The square root of 5449374432 is about 73819.8782984638. The cubic root of 5449374432 is about 1759.7415288476.

The spelling of 5449374432 in words is "five billion, four hundred forty-nine million, three hundred seventy-four thousand, four hundred thirty-two".