5044358781 has 256 divisors, whose sum is σ = 10404495360. Its totient is φ = 2337984000.

The previous prime is 5044358749. The next prime is 5044358831. The reversal of 5044358781 is 1878534405.

5044358781 is a `hidden beast` number, since 50 + 443 + 5 + 87 + 81 = 666.

It is not a de Polignac number, because 5044358781 - 2⁵ = 5044358749 is a prime.

It is a super-2 number, since 2×5044358781² = 50891111022903611922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5044358981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 60775366 + ... + 60775448.

It is an arithmetic number, because the mean of its divisors is an integer number (40642560).

Almost surely, 2^5044358781 is an apocalyptic number.

It is an amenable number.

5044358781 is an abundant number, since it is smaller than the sum of its proper divisors (5360136579).

5044358781 is a wasteful number, since it uses less digits than its factorization.

5044358781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 5044358781 is about 71023.6494486168. The cubic root of 5044358781 is about 1715.0178955313.

The spelling of 5044358781 in words is "five billion, forty-four million, three hundred fifty-eight thousand, seven hundred eighty-one".