2455980 has 24 divisors (see below), whose sum is σ = 6876912. Its totient is φ = 654912.

The previous prime is 2455979. The next prime is 2455987. The reversal of 2455980 is 895542.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2455987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20407 + ... + 20526.

It is an arithmetic number, because the mean of its divisors is an integer number (286538).

2^2455980 is an apocalyptic number.

2455980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2455980 is an abundant number, since it is smaller than the sum of its proper divisors (4420932).

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

2455980 is a wasteful number, since it uses less digits than its factorization.

2455980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40945 (or 40943 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 2455980 is about 1567.1566609628. The cubic root of 2455980 is about 134.9195680009.

The spelling of 2455980 in words is "two million, four hundred fifty-five thousand, nine hundred eighty".