255143040 has 64 divisors (see below), whose sum is σ = 813274560. Its totient is φ = 68037632.

The previous prime is 255143029. The next prime is 255143047. The reversal of 255143040 is 40341552.

255143040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 255143040.

It is not an unprimeable number, because it can be changed into a prime (255143047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64524 + ... + 68363.

It is an arithmetic number, because the mean of its divisors is an integer number (12707415).

Almost surely, 2^255143040 is an apocalyptic number.

255143040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255143040 is an abundant number, since it is smaller than the sum of its proper divisors (558131520).

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

255143040 is a wasteful number, since it uses less digits than its factorization.

255143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132909 (or 132897 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 255143040 is about 15973.1975508976. The cubic root of 255143040 is about 634.2511187318.

Adding to 255143040 its reverse (40341552), we get a palindrome (295484592).

The spelling of 255143040 in words is "two hundred fifty-five million, one hundred forty-three thousand, forty".