2555002540 has 12 divisors (see below), whose sum is σ = 5365505376. Its totient is φ = 1022001008.

The previous prime is 2555002537. The next prime is 2555002559. The reversal of 2555002540 is 452005552.

It is a junction number, because it is equal to n+sod(n) for n = 2555002499 and 2555002508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63875044 + ... + 63875083.

It is an arithmetic number, because the mean of its divisors is an integer number (447125448).

Almost surely, 2^2555002540 is an apocalyptic number.

2555002540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555002540 is an abundant number, since it is smaller than the sum of its proper divisors (2810502836).

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

2555002540 is a wasteful number, since it uses less digits than its factorization.

2555002540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127750136 (or 127750134 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 2555002540 is about 50547.0329495214. The cubic root of 2555002540 is about 1367.0900174344.

The spelling of 2555002540 in words is "two billion, five hundred fifty-five million, two thousand, five hundred forty".