1052400244 has 36 divisors (see below), whose sum is σ = 2145392676. Its totient is φ = 450395904.

The previous prime is 1052400233. The next prime is 1052400247. The reversal of 1052400244 is 4420042501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 523952100 + 528448144 = 22890^2 + 22988^2 .

It is a super-2 number, since 2×1052400244² = 2215092547142519072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052400247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152844 + ... + 159580.

It is an arithmetic number, because the mean of its divisors is an integer number (59594241).

Almost surely, 2^1052400244 is an apocalyptic number.

1052400244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1052400244 is an abundant number, since it is smaller than the sum of its proper divisors (1092992432).

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

1052400244 is a wasteful number, since it uses less digits than its factorization.

1052400244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7552 (or 7543 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1052400244 is about 32440.7189192841. The cubic root of 1052400244 is about 1017.1702433809.

Adding to 1052400244 its reverse (4420042501), we get a palindrome (5472442745).

The spelling of 1052400244 in words is "one billion, fifty-two million, four hundred thousand, two hundred forty-four".