2555002002 has 96 divisors (see below), whose sum is σ = 6140897280. Its totient is φ = 706164480.

The previous prime is 2555001983. The next prime is 2555002007. The reversal of 2555002002 is 2002005552.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2555002002.

It is not an unprimeable number, because it can be changed into a prime (2555002007) by changing a digit.

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, 1530024 + ... + 1531692.

It is an arithmetic number, because the mean of its divisors is an integer number (63967680).

Almost surely, 2^2555002002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555002002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3070448640).

2555002002 is an abundant number, since it is smaller than the sum of its proper divisors (3585895278).

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

2555002002 is a wasteful number, since it uses less digits than its factorization.

2555002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856 (or 1849 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 2555002002 is about 50547.0276277448. The cubic root of 2555002002 is about 1367.0899214796.

Adding to 2555002002 its reverse (2002005552), we get a palindrome (4557007554).

The spelling of 2555002002 in words is "two billion, five hundred fifty-five million, two thousand, two".