5491487408 has 20 divisors (see below), whose sum is σ = 11607007848. Its totient is φ = 2496130560.

The previous prime is 5491487399. The next prime is 5491487411. The reversal of 5491487408 is 8047841945.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15600641 + ... + 15600992.

Almost surely, 2^5491487408 is an apocalyptic number.

It is an amenable number.

5491487408 is an abundant number, since it is smaller than the sum of its proper divisors (6115520440).

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

5491487408 is a wasteful number, since it uses less digits than its factorization.

5491487408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31201652 (or 31201646 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 5491487408 is about 74104.5707632127. The cubic root of 5491487408 is about 1764.2630181835.

The spelling of 5491487408 in words is "five billion, four hundred ninety-one million, four hundred eighty-seven thousand, four hundred eight".