5268426640 has 40 divisors (see below), whose sum is σ = 12370389048. Its totient is φ = 2086502400.

The previous prime is 5268426623. The next prime is 5268426649. The reversal of 5268426640 is 466248625.

It can be written as a sum of positive squares in 4 ways, for example, as 3598560144 + 1669866496 = 59988^2 + 40864^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×5268426640² = 55512638522123379200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5268426649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317937 + ... + 334096.

Almost surely, 2^5268426640 is an apocalyptic number.

It is an amenable number.

5268426640 is an abundant number, since it is smaller than the sum of its proper divisors (7101962408).

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

5268426640 is a wasteful number, since it uses less digits than its factorization.

5268426640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652147 (or 652141 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The square root of 5268426640 is about 72583.9282486144. The cubic root of 5268426640 is about 1740.0443288130.

The spelling of 5268426640 in words is "five billion, two hundred sixty-eight million, four hundred twenty-six thousand, six hundred forty".