1340441252 has 24 divisors (see below), whose sum is σ = 2357678232. Its totient is φ = 666828800.

The previous prime is 1340441251. The next prime is 1340441261. The reversal of 1340441252 is 2521440431.

It can be written as a sum of positive squares in 4 ways, for example, as 358496356 + 981944896 = 18934^2 + 31336^2 .

It is not an unprimeable number, because it can be changed into a prime (1340441251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904352 + ... + 905832.

It is an arithmetic number, because the mean of its divisors is an integer number (98236593).

Almost surely, 2^1340441252 is an apocalyptic number.

It is an amenable number.

1340441252 is a deficient number, since it is larger than the sum of its proper divisors (1017236980).

1340441252 is a wasteful number, since it uses less digits than its factorization.

1340441252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479 (or 2477 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1340441252 is about 36612.0369823915. The cubic root of 1340441252 is about 1102.5947702979.

Adding to 1340441252 its reverse (2521440431), we get a palindrome (3861881683).

The spelling of 1340441252 in words is "one billion, three hundred forty million, four hundred forty-one thousand, two hundred fifty-two".