1352534440 has 16 divisors (see below), whose sum is σ = 3043202580. Its totient is φ = 541013760.

The previous prime is 1352534423. The next prime is 1352534441. The reversal of 1352534440 is 444352531.

It can be written as a sum of positive squares in 2 ways, for example, as 1319287684 + 33246756 = 36322^2 + 5766^2 .

It is a super-2 number, since 2×1352534440² = 3658698822772227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1352534441) 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, 16906641 + ... + 16906720.

Almost surely, 2^1352534440 is an apocalyptic number.

1352534440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352534440 is an abundant number, since it is smaller than the sum of its proper divisors (1690668140).

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

1352534440 is a wasteful number, since it uses less digits than its factorization.

1352534440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33813372 (or 33813368 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1352534440 is about 36776.8193295723. The cubic root of 1352534440 is about 1105.9006436607.

Adding to 1352534440 its reverse (444352531), we get a palindrome (1796886971).

The spelling of 1352534440 in words is "one billion, three hundred fifty-two million, five hundred thirty-four thousand, four hundred forty".