255100140 has 36 divisors (see below), whose sum is σ = 773804304. Its totient is φ = 68026656.

The previous prime is 255100117. The next prime is 255100169. The reversal of 255100140 is 41001552.

255100140 is digitally balanced in base 2, 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 (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708432 + ... + 708791.

It is an arithmetic number, because the mean of its divisors is an integer number (21494564).

Almost surely, 2^255100140 is an apocalyptic number.

255100140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255100140 is an abundant number, since it is smaller than the sum of its proper divisors (518704164).

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

255100140 is a wasteful number, since it uses less digits than its factorization.

255100140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417238 (or 1417233 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 255100140 is about 15971.8546199244. The cubic root of 255100140 is about 634.2155688717.

Adding to 255100140 its reverse (41001552), we get a palindrome (296101692).

The spelling of 255100140 in words is "two hundred fifty-five million, one hundred thousand, one hundred forty".