2555402850 has 768 divisors, whose sum is σ = 9919365120. Its totient is φ = 466560000.

The previous prime is 2555402767. The next prime is 2555402873. The reversal of 2555402850 is 582045552.

It is a happy number.

2555402850 is a `hidden beast` number, since 25 + 554 + 0 + 2 + 85 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 41891820 + ... + 41891880.

It is an arithmetic number, because the mean of its divisors is an integer number (12915840).

Almost surely, 2^2555402850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555402850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4959682560).

2555402850 is an abundant number, since it is smaller than the sum of its proper divisors (7363962270).

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

2555402850 is a wasteful number, since it uses less digits than its factorization.

2555402850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The square root of 2555402850 is about 50550.9925718576. The cubic root of 2555402850 is about 1367.1614108698.

The spelling of 2555402850 in words is "two billion, five hundred fifty-five million, four hundred two thousand, eight hundred fifty".