2555124240 has 40 divisors (see below), whose sum is σ = 7920885888. Its totient is φ = 681366400.

The previous prime is 2555124233. The next prime is 2555124241. The reversal of 2555124240 is 424215552.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a junction number, because it is equal to n+sod(n) for n = 2555124198 and 2555124207.

It is not an unprimeable number, because it can be changed into a prime (2555124241) 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, 5322936 + ... + 5323415.

Almost surely, 2^2555124240 is an apocalyptic number.

2555124240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555124240 is an abundant number, since it is smaller than the sum of its proper divisors (5365761648).

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

2555124240 is a wasteful number, since it uses less digits than its factorization.

2555124240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646367 (or 10646361 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2555124240 is about 50548.2367645005. The cubic root of 2555124240 is about 1367.1117228549. Note that the first 3 decimals are identical.

Adding to 2555124240 its reverse (424215552), we get a palindrome (2979339792).

The spelling of 2555124240 in words is "two billion, five hundred fifty-five million, one hundred twenty-four thousand, two hundred forty".