1052452240 has 40 divisors (see below), whose sum is σ = 2796517440. Its totient is φ = 360840576.

The previous prime is 1052452213. The next prime is 1052452273. The reversal of 1052452240 is 422542501.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1052452240² = 2215311434962035200, which 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, 939130 + ... + 940249.

It is an arithmetic number, because the mean of its divisors is an integer number (69912936).

Almost surely, 2^1052452240 is an apocalyptic number.

1052452240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052452240 is an abundant number, since it is smaller than the sum of its proper divisors (1744065200).

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

1052452240 is a wasteful number, since it uses less digits than its factorization.

1052452240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879399 (or 1879393 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1052452240 is about 32441.5203096279. The cubic root of 1052452240 is about 1017.1869949014.

Adding to 1052452240 its reverse (422542501), we get a palindrome (1474994741).

The spelling of 1052452240 in words is "one billion, fifty-two million, four hundred fifty-two thousand, two hundred forty".