1352844890 has 16 divisors (see below), whose sum is σ = 2441656008. Its totient is φ = 539685696.

The previous prime is 1352844877. The next prime is 1352844907. The reversal of 1352844890 is 984482531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1344762241 + 8082649 = 36671^2 + 2843^2 .

It is a super-2 number, since 2×1352844890² = 3660378592798224200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177617 + ... + 185076.

Almost surely, 2^1352844890 is an apocalyptic number.

1352844890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1352844890 is a deficient number, since it is larger than the sum of its proper divisors (1088811118).

1352844890 is a wasteful number, since it uses less digits than its factorization.

1352844890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363073.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 1352844890 is about 36781.0398167317. The cubic root of 1352844890 is about 1105.9852504009.

The spelling of 1352844890 in words is "one billion, three hundred fifty-two million, eight hundred forty-four thousand, eight hundred ninety".