1052057340 has 36 divisors (see below), whose sum is σ = 3191241144. Its totient is φ = 280548576.

The previous prime is 1052057333. The next prime is 1052057399. The reversal of 1052057340 is 437502501.

It is a happy number.

1052057340 is a `hidden beast` number, since 1 + 0 + 52 + 0 + 573 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1052057340² = 2213649293295751200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2922202 + ... + 2922561.

Almost surely, 2^1052057340 is an apocalyptic number.

1052057340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052057340 is an abundant number, since it is smaller than the sum of its proper divisors (2139183804).

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

1052057340 is a wasteful number, since it uses less digits than its factorization.

1052057340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5844778 (or 5844773 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 1052057340 is about 32435.4334023765. The cubic root of 1052057340 is about 1017.0597563818.

Adding to 1052057340 its reverse (437502501), we get a palindrome (1489559841).

The spelling of 1052057340 in words is "one billion, fifty-two million, fifty-seven thousand, three hundred forty".