5256540628 has 24 divisors (see below), whose sum is σ = 9432178560. Its totient is φ = 2561753280.

The previous prime is 5256540581. The next prime is 5256540647. The reversal of 5256540628 is 8260456525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166363 + ... + 195421.

It is an arithmetic number, because the mean of its divisors is an integer number (393007440).

Almost surely, 2^5256540628 is an apocalyptic number.

It is an amenable number.

5256540628 is a deficient number, since it is larger than the sum of its proper divisors (4175637932).

5256540628 is a wasteful number, since it uses less digits than its factorization.

5256540628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30207 (or 30205 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The square root of 5256540628 is about 72502.0043033294. The cubic root of 5256540628 is about 1738.7347815614.

The spelling of 5256540628 in words is "five billion, two hundred fifty-six million, five hundred forty thousand, six hundred twenty-eight".