2555426140 has 12 divisors (see below), whose sum is σ = 5366394936. Its totient is φ = 1022170448.

The previous prime is 2555426129. The next prime is 2555426171. The reversal of 2555426140 is 416245552.

It is a junction number, because it is equal to n+sod(n) for n = 2555426096 and 2555426105.

It is a congruent number.

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, 63885634 + ... + 63885673.

It is an arithmetic number, because the mean of its divisors is an integer number (447199578).

Almost surely, 2^2555426140 is an apocalyptic number.

2555426140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555426140 is an abundant number, since it is smaller than the sum of its proper divisors (2810968796).

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

2555426140 is a wasteful number, since it uses less digits than its factorization.

2555426140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127771316 (or 127771314 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 2555426140 is about 50551.2229327837. Note that the first 3 decimals coincide. The cubic root of 2555426140 is about 1367.1655643039.

The spelling of 2555426140 in words is "two billion, five hundred fifty-five million, four hundred twenty-six thousand, one hundred forty".