5491450608 has 160 divisors (see below), whose sum is σ = 17189376000. Its totient is φ = 1477232640.

The previous prime is 5491450543. The next prime is 5491450631. The reversal of 5491450608 is 8060541945.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 5491450608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378268 + ... + 392516.

It is an arithmetic number, because the mean of its divisors is an integer number (107433600).

Almost surely, 2^5491450608 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 5491450608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8594688000).

5491450608 is an abundant number, since it is smaller than the sum of its proper divisors (11697925392).

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

5491450608 is a wasteful number, since it uses less digits than its factorization.

5491450608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14335 (or 14329 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 5491450608 is about 74104.3224650222. The cubic root of 5491450608 is about 1764.2590772340.

The spelling of 5491450608 in words is "five billion, four hundred ninety-one million, four hundred fifty thousand, six hundred eight".