1340252410 has 48 divisors (see below), whose sum is σ = 2814231816. Its totient is φ = 458220672.

The previous prime is 1340252399. The next prime is 1340252447. The reversal of 1340252410 is 142520431.

It can be written as a sum of positive squares in 4 ways, for example, as 659616489 + 680635921 = 25683^2 + 26089^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179104 + ... + 186436.

Almost surely, 2^1340252410 is an apocalyptic number.

1340252410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340252410 is an abundant number, since it is smaller than the sum of its proper divisors (1473979406).

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

1340252410 is a wasteful number, since it uses less digits than its factorization.

1340252410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7727 (or 7720 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1340252410 is about 36609.4579309773. The cubic root of 1340252410 is about 1102.5429898413.

Adding to 1340252410 its reverse (142520431), we get a palindrome (1482772841).

The spelling of 1340252410 in words is "one billion, three hundred forty million, two hundred fifty-two thousand, four hundred ten".