1052636260 has 72 divisors (see below), whose sum is σ = 2529029160. Its totient is φ = 365776896.

The previous prime is 1052636257. The next prime is 1052636269. The reversal of 1052636260 is 626362501.

It can be written as a sum of positive squares in 12 ways, for example, as 45589504 + 1007046756 = 6752^2 + 31734^2 .

It is a super-2 number, since 2×1052636260² = 2216086191733575200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052636269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68136 + ... + 82144.

It is an arithmetic number, because the mean of its divisors is an integer number (35125405).

Almost surely, 2^1052636260 is an apocalyptic number.

1052636260 is a gapful number since it is divisible by the number (10) 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 1052636260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264514580).

1052636260 is an abundant number, since it is smaller than the sum of its proper divisors (1476392900).

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

1052636260 is a wasteful number, since it uses less digits than its factorization.

1052636260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14065 (or 14046 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1052636260 is about 32444.3563659383. The cubic root of 1052636260 is about 1017.2462760847.

Adding to 1052636260 its reverse (626362501), we get a palindrome (1678998761).

The spelling of 1052636260 in words is "one billion, fifty-two million, six hundred thirty-six thousand, two hundred sixty".