1352234440 has 16 divisors (see below), whose sum is σ = 3042527580. Its totient is φ = 540893760.

The previous prime is 1352234431. The next prime is 1352234441. The reversal of 1352234440 is 444322531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1202563684 + 149670756 = 34678^2 + 12234^2 .

It is a super-2 number, since 2×1352234440² = 3657075961444227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1352234399 and 1352234408.

It is not an unprimeable number, because it can be changed into a prime (1352234441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16902891 + ... + 16902970.

Almost surely, 2^1352234440 is an apocalyptic number.

1352234440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352234440 is an abundant number, since it is smaller than the sum of its proper divisors (1690293140).

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

1352234440 is a wasteful number, since it uses less digits than its factorization.

1352234440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33805872 (or 33805868 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1352234440 is about 36772.7404472389. The cubic root of 1352234440 is about 1105.8188725511.

Adding to 1352234440 its reverse (444322531), we get a palindrome (1796556971).

The spelling of 1352234440 in words is "one billion, three hundred fifty-two million, two hundred thirty-four thousand, four hundred forty".