2548778452 has 12 divisors (see below), whose sum is σ = 4865849856. Its totient is φ = 1158535640.

The previous prime is 2548778399. The next prime is 2548778459.

2548778452 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2548778452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2548778459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28963348 + ... + 28963435.

It is an arithmetic number, because the mean of its divisors is an integer number (405487488).

Almost surely, 2^2548778452 is an apocalyptic number.

2548778452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2548778452 is a deficient number, since it is larger than the sum of its proper divisors (2317071404).

2548778452 is a wasteful number, since it uses less digits than its factorization.

2548778452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57926798 (or 57926796 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 52.

The square root of 2548778452 is about 50485.4281154473. The cubic root of 2548778452 is about 1365.9790195475.

The spelling of 2548778452 in words is "two billion, five hundred forty-eight million, seven hundred seventy-eight thousand, four hundred fifty-two".