255090030720 has 256 divisors, whose sum is σ = 938283540480. Its totient is φ = 57739898880.

The previous prime is 255090030659. The next prime is 255090030731. The reversal of 255090030720 is 27030090552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1292185 + ... + 1476455.

It is an arithmetic number, because the mean of its divisors is an integer number (3665170080).

Almost surely, 2^255090030720 is an apocalyptic number.

255090030720 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 255090030720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469141770240).

255090030720 is an abundant number, since it is smaller than the sum of its proper divisors (683193509760).

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

255090030720 is a wasteful number, since it uses less digits than its factorization.

255090030720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184403 (or 184391 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The spelling of 255090030720 in words is "two hundred fifty-five billion, ninety million, thirty thousand, seven hundred twenty".