255562603140 has 384 divisors, whose sum is σ = 809961062400. Its totient is φ = 59779399680.

The previous prime is 255562603139. The next prime is 255562603193. The reversal of 255562603140 is 41306265552.

255562603140 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 674307471 + ... + 674307849.

It is an arithmetic number, because the mean of its divisors is an integer number (2109273600).

Almost surely, 2^255562603140 is an apocalyptic number.

255562603140 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 255562603140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404980531200).

255562603140 is an abundant number, since it is smaller than the sum of its proper divisors (554398459260).

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

255562603140 is a wasteful number, since it uses less digits than its factorization.

255562603140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 255562603140 its reverse (41306265552), we get a palindrome (296868868692).

The spelling of 255562603140 in words is "two hundred fifty-five billion, five hundred sixty-two million, six hundred three thousand, one hundred forty".