5445378258 has 32 divisors (see below), whose sum is σ = 11152696896. Its totient is φ = 1771818048.

The previous prime is 5445378241. The next prime is 5445378259. The reversal of 5445378258 is 8528735445.

It is a super-2 number, since 2×5445378258² = 59304288745398229128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5445378258.

It is not an unprimeable number, because it can be changed into a prime (5445378259) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19185 + ... + 106107.

It is an arithmetic number, because the mean of its divisors is an integer number (348521778).

Almost surely, 2^5445378258 is an apocalyptic number.

5445378258 is an abundant number, since it is smaller than the sum of its proper divisors (5707318638).

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

5445378258 is a wasteful number, since it uses less digits than its factorization.

5445378258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87178.

The product of its digits is 5376000, while the sum is 51.

The square root of 5445378258 is about 73792.8062754087. The cubic root of 5445378258 is about 1759.3112682670.

The spelling of 5445378258 in words is "five billion, four hundred forty-five million, three hundred seventy-eight thousand, two hundred fifty-eight".