2555040 has 48 divisors (see below), whose sum is σ = 8049888. Its totient is φ = 681216.

The previous prime is 2555027. The next prime is 2555041. The reversal of 2555040 is 405552.

2555040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 2554998 and 2555016.

It is not an unprimeable number, because it can be changed into a prime (2555041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2182 + ... + 3141.

It is an arithmetic number, because the mean of its divisors is an integer number (167706).

2^2555040 is an apocalyptic number.

2555040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555040 is an abundant number, since it is smaller than the sum of its proper divisors (5494848).

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

2555040 is a wasteful number, since it uses less digits than its factorization.

2555040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341 (or 5333 counting only the distinct ones).

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

The square root of 2555040 is about 1598.4492484905. The cubic root of 2555040 is about 136.7096698568.

The spelling of 2555040 in words is "two million, five hundred fifty-five thousand, forty".