2555138748 has 24 divisors (see below), whose sum is σ = 6123126352. Its totient is φ = 828693504.

The previous prime is 2555138741. The next prime is 2555138759. The reversal of 2555138748 is 8478315552.

It is a junction number, because it is equal to n+sod(n) for n = 2555138697 and 2555138706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555138741) 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, 2876965 + ... + 2877852.

Almost surely, 2^2555138748 is an apocalyptic number.

It is an amenable number.

2555138748 is an abundant number, since it is smaller than the sum of its proper divisors (3567987604).

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

2555138748 is a wasteful number, since it uses less digits than its factorization.

2555138748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5754861 (or 5754859 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 48.

The square root of 2555138748 is about 50548.3802707861. The cubic root of 2555138748 is about 1367.1143103376.

The spelling of 2555138748 in words is "two billion, five hundred fifty-five million, one hundred thirty-eight thousand, seven hundred forty-eight".