255152540 has 48 divisors (see below), whose sum is σ = 551117952. Its totient is φ = 99172416.

The previous prime is 255152533. The next prime is 255152543. The reversal of 255152540 is 45251552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255152543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194567 + ... + 195873.

It is an arithmetic number, because the mean of its divisors is an integer number (11481624).

Almost surely, 2^255152540 is an apocalyptic number.

255152540 is a gapful number since it is divisible by the number (20) 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 255152540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275558976).

255152540 is an abundant number, since it is smaller than the sum of its proper divisors (295965412).

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

255152540 is a wasteful number, since it uses less digits than its factorization.

255152540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 255152540 is about 15973.4949212751. The cubic root of 255152540 is about 634.2589905395.

The spelling of 255152540 in words is "two hundred fifty-five million, one hundred fifty-two thousand, five hundred forty".