5264285640 has 64 divisors (see below), whose sum is σ = 15949258560. Its totient is φ = 1389907200.

The previous prime is 5264285629. The next prime is 5264285647. The reversal of 5264285640 is 465824625.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5264285592 and 5264285601.

It is not an unprimeable number, because it can be changed into a prime (5264285647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205054 + ... + 229293.

It is an arithmetic number, because the mean of its divisors is an integer number (249207165).

Almost surely, 2^5264285640 is an apocalyptic number.

It is an amenable number.

5264285640 is an abundant number, since it is smaller than the sum of its proper divisors (10684972920).

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

5264285640 is a wasteful number, since it uses less digits than its factorization.

5264285640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434462 (or 434458 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 5264285640 is about 72555.3970425357. The cubic root of 5264285640 is about 1739.5883158678.

The spelling of 5264285640 in words is "five billion, two hundred sixty-four million, two hundred eighty-five thousand, six hundred forty".