255022140 has 24 divisors (see below), whose sum is σ = 714062160. Its totient is φ = 68005888.

The previous prime is 255022087. The next prime is 255022147. The reversal of 255022140 is 41220552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255022147) 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, 2125125 + ... + 2125244.

It is an arithmetic number, because the mean of its divisors is an integer number (29752590).

Almost surely, 2^255022140 is an apocalyptic number.

255022140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255022140 is an abundant number, since it is smaller than the sum of its proper divisors (459040020).

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

255022140 is a wasteful number, since it uses less digits than its factorization.

255022140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250381 (or 4250379 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 255022140 is about 15969.4126379150. The cubic root of 255022140 is about 634.1509225500.

Adding to 255022140 its reverse (41220552), we get a palindrome (296242692).

The spelling of 255022140 in words is "two hundred fifty-five million, twenty-two thousand, one hundred forty".