5455438128 has 300 divisors, whose sum is σ = 18493450272. Its totient is φ = 1548046080.

The previous prime is 5455438067. The next prime is 5455438133. The reversal of 5455438128 is 8218345545.

5455438128 is a `hidden beast` number, since 5 + 4 + 5 + 543 + 81 + 28 = 666.

It is a super-2 number, since 2×5455438128² = 59523610336872288768, which contains 22 as substring.

Its product of digits (768000) is a multiple of the sum of its prime divisors (600).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 17209426 + ... + 17209742.

Almost surely, 2^5455438128 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 5455438128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9246725136).

5455438128 is an abundant number, since it is smaller than the sum of its proper divisors (13038012144).

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

5455438128 is a wasteful number, since it uses less digits than its factorization.

5455438128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 600 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 5455438128 is about 73860.9377682141. The cubic root of 5455438128 is about 1760.3939940941.

The spelling of 5455438128 in words is "five billion, four hundred fifty-five million, four hundred thirty-eight thousand, one hundred twenty-eight".