2555002780 has 24 divisors (see below), whose sum is σ = 5853279600. Its totient is φ = 929091840.

The previous prime is 2555002763. The next prime is 2555002799. The reversal of 2555002780 is 872005552.

2555002780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5806605 + ... + 5807044.

It is an arithmetic number, because the mean of its divisors is an integer number (243886650).

Almost surely, 2^2555002780 is an apocalyptic number.

2555002780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555002780 is an abundant number, since it is smaller than the sum of its proper divisors (3298276820).

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

2555002780 is a wasteful number, since it uses less digits than its factorization.

2555002780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11613669 (or 11613667 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 2555002780 is about 50547.0353235479. The cubic root of 2555002780 is about 1367.0900602395.

The spelling of 2555002780 in words is "two billion, five hundred fifty-five million, two thousand, seven hundred eighty".