5266261248 has 72 divisors (see below), whose sum is σ = 14126558208. Its totient is φ = 1741565952.

The previous prime is 5266261243. The next prime is 5266261249. The reversal of 5266261248 is 8421626625.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266261243) 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 7 ways as a sum of consecutive naturals, for example, 70540 + ... + 124532.

Almost surely, 2^5266261248 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 5266261248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7063279104).

5266261248 is an abundant number, since it is smaller than the sum of its proper divisors (8860296960).

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

5266261248 is a wasteful number, since it uses less digits than its factorization.

5266261248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54139 (or 54125 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 5266261248 is about 72569.0102454209. The cubic root of 5266261248 is about 1739.8059025135.

The spelling of 5266261248 in words is "five billion, two hundred sixty-six million, two hundred sixty-one thousand, two hundred forty-eight".