10253992644 has 81 divisors (see below), whose sum is σ = 30164132271. Its totient is φ = 2928497040.

The previous prime is 10253992607. The next prime is 10253992657. The reversal of 10253992644 is 44629935201.

The square root of 10253992644 is 101262.

It is a perfect power (a square), and thus also a powerful number.

10253992644 is a `hidden beast` number, since 102 + 539 + 9 + 2 + 6 + 4 + 4 = 666.

It is a super-2 number, since 2×10253992644² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10253992644.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4251799 + ... + 4254209.

Almost surely, 2^10253992644 is an apocalyptic number.

10253992644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10253992644 is the 101262-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10253992644

10253992644 is an abundant number, since it is smaller than the sum of its proper divisors (19910139627).

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

10253992644 is an equidigital number, since it uses as much as digits as its factorization.

10253992644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4846 (or 2423 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 10253992644 in words is "ten billion, two hundred fifty-three million, nine hundred ninety-two thousand, six hundred forty-four".