2550905280 has 336 divisors, whose sum is σ = 10940027904. Its totient is φ = 530012160.

The previous prime is 2550905263. The next prime is 2550905299. The reversal of 2550905280 is 825090552.

2550905280 is a `hidden beast` number, since 25 + 509 + 0 + 52 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216009 + ... + 227511.

Almost surely, 2^2550905280 is an apocalyptic number.

2550905280 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 2550905280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5470013952).

2550905280 is an abundant number, since it is smaller than the sum of its proper divisors (8389122624).

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

2550905280 is a wasteful number, since it uses less digits than its factorization.

2550905280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11544 (or 11531 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 2550905280 is about 50506.4875040821. The cubic root of 2550905280 is about 1366.3588609464.

The spelling of 2550905280 in words is "two billion, five hundred fifty million, nine hundred five thousand, two hundred eighty".