1052240000 has 160 divisors (see below), whose sum is σ = 2995291200. Its totient is φ = 360576000.

The previous prime is 1052239999. The next prime is 1052240011. The reversal of 1052240000 is 422501.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×1052240000² = 2214418035200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 559061 + ... + 560939.

It is an arithmetic number, because the mean of its divisors is an integer number (18720570).

Almost surely, 2^1052240000 is an apocalyptic number.

1052240000 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 1052240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497645600).

1052240000 is an abundant number, since it is smaller than the sum of its proper divisors (1943051200).

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

1052240000 is an frugal number, since it uses more digits than its factorization.

1052240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1052240000 is about 32438.2490279608. The cubic root of 1052240000 is about 1017.1186141955.

Adding to 1052240000 its reverse (422501), we get a palindrome (1052662501).

The spelling of 1052240000 in words is "one billion, fifty-two million, two hundred forty thousand".