255074140 has 48 divisors (see below), whose sum is σ = 578249280. Its totient is φ = 94223360.

The previous prime is 255074101. The next prime is 255074177. The reversal of 255074140 is 41470552.

It is a junction number, because it is equal to n+sod(n) for n = 255074099 and 255074108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3780 + ... + 22900.

It is an arithmetic number, because the mean of its divisors is an integer number (12046860).

Almost surely, 2^255074140 is an apocalyptic number.

255074140 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 255074140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289124640).

255074140 is an abundant number, since it is smaller than the sum of its proper divisors (323175140).

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

255074140 is a wasteful number, since it uses less digits than its factorization.

255074140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19182 (or 19180 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 255074140 is about 15971.0406674080. The cubic root of 255074140 is about 634.1940215622.

The spelling of 255074140 in words is "two hundred fifty-five million, seventy-four thousand, one hundred forty".