1255163360 has 192 divisors, whose sum is σ = 3420071424. Its totient is φ = 430848000.

The previous prime is 1255163339. The next prime is 1255163411. The reversal of 1255163360 is 633615521.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4088327 + ... + 4088633.

It is an arithmetic number, because the mean of its divisors is an integer number (17812872).

Almost surely, 2^1255163360 is an apocalyptic number.

1255163360 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 1255163360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710035712).

1255163360 is an abundant number, since it is smaller than the sum of its proper divisors (2164908064).

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

1255163360 is a wasteful number, since it uses less digits than its factorization.

1255163360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1255163360 is about 35428.2847453839. The cubic root of 1255163360 is about 1078.6985237086.

Adding to 1255163360 its reverse (633615521), we get a palindrome (1888778881).

The spelling of 1255163360 in words is "one billion, two hundred fifty-five million, one hundred sixty-three thousand, three hundred sixty".