10520253344 has 48 divisors (see below), whose sum is σ = 22008449736. Its totient is φ = 4933017600.

The previous prime is 10520253283. The next prime is 10520253377. The reversal of 10520253344 is 44335202501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7691290000 + 2828963344 = 87700^2 + 53188^2 .

It is a super-2 number, since 2×10520253344² (a number of 21 digits) contains 22 as substring.

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, 118454 + ... + 187274.

Almost surely, 2^10520253344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10520253344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11004224868).

10520253344 is an abundant number, since it is smaller than the sum of its proper divisors (11488196392).

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

10520253344 is a wasteful number, since it uses less digits than its factorization.

10520253344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69129 (or 69121 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 10520253344 its reverse (44335202501), we get a palindrome (54855455845).

The spelling of 10520253344 in words is "ten billion, five hundred twenty million, two hundred fifty-three thousand, three hundred forty-four".