1355054240 has 24 divisors (see below), whose sum is σ = 3201316020. Its totient is φ = 542021632.

The previous prime is 1355054209. The next prime is 1355054243. The reversal of 1355054240 is 424505531.

It can be written as a sum of positive squares in 2 ways, for example, as 1206311824 + 148742416 = 34732^2 + 12196^2 .

It is not an unprimeable number, because it can be changed into a prime (1355054243) 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, 4234385 + ... + 4234704.

Almost surely, 2^1355054240 is an apocalyptic number.

1355054240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355054240 is an abundant number, since it is smaller than the sum of its proper divisors (1846261780).

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

1355054240 is an equidigital number, since it uses as much as digits as its factorization.

1355054240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8469104 (or 8469096 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1355054240 is about 36811.0613810577. The cubic root of 1355054240 is about 1106.5869896346.

Adding to 1355054240 its reverse (424505531), we get a palindrome (1779559771).

The spelling of 1355054240 in words is "one billion, three hundred fifty-five million, fifty-four thousand, two hundred forty".