1355412660 has 96 divisors (see below), whose sum is σ = 4342947840. Its totient is φ = 309406848.

The previous prime is 1355412647. The next prime is 1355412661. The reversal of 1355412660 is 662145531.

1355412660 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355412661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426397 + ... + 429563.

It is an arithmetic number, because the mean of its divisors is an integer number (45239040).

Almost surely, 2^1355412660 is an apocalyptic number.

1355412660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355412660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2171473920).

1355412660 is an abundant number, since it is smaller than the sum of its proper divisors (2987535180).

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

1355412660 is a wasteful number, since it uses less digits than its factorization.

1355412660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205 (or 4203 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1355412660 is about 36815.9294327877. The cubic root of 1355412660 is about 1106.6845473394.

The spelling of 1355412660 in words is "one billion, three hundred fifty-five million, four hundred twelve thousand, six hundred sixty".