5256064632 has 256 divisors, whose sum is σ = 17276313600. Its totient is φ = 1294755840.

The previous prime is 5256064631. The next prime is 5256064669. The reversal of 5256064632 is 2364606525.

It is a super-2 number, since 2×5256064632² = 55252430831522590848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256064631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1962078 + ... + 1964754.

It is an arithmetic number, because the mean of its divisors is an integer number (67485600).

Almost surely, 2^5256064632 is an apocalyptic number.

5256064632 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5256064632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8638156800).

5256064632 is an abundant number, since it is smaller than the sum of its proper divisors (12020248968).

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

5256064632 is a wasteful number, since it uses less digits than its factorization.

5256064632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The square root of 5256064632 is about 72498.7215887287. The cubic root of 5256064632 is about 1738.6822973744.

The spelling of 5256064632 in words is "five billion, two hundred fifty-six million, sixty-four thousand, six hundred thirty-two".