2555760 has 80 divisors (see below), whose sum is σ = 8285184. Its totient is φ = 650496.

The previous prime is 2555753. The next prime is 2555767. The reversal of 2555760 is 675552.

It is an interprime number because it is at equal distance from previous prime (2555753) and next prime (2555767).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5289 + ... + 5751.

2^2555760 is an apocalyptic number.

2555760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4142592).

2555760 is an abundant number, since it is smaller than the sum of its proper divisors (5729424).

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

2555760 is a wasteful number, since it uses less digits than its factorization.

2555760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 2555760 is about 1598.6744509124. The cubic root of 2555760 is about 136.7225100626.

The spelling of 2555760 in words is "two million, five hundred fifty-five thousand, seven hundred sixty".