2578273452 has 72 divisors (see below), whose sum is σ = 6572384000. Its totient is φ = 852195168.

The previous prime is 2578273403. The next prime is 2578273469. The reversal of 2578273452 is 2543728752.

2578273452 is a `hidden beast` number, since 2 + 57 + 82 + 73 + 452 = 666.

2578273452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2578273398 and 2578273407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3488499 + ... + 3489237.

Almost surely, 2^2578273452 is an apocalyptic number.

It is an amenable number.

2578273452 is an abundant number, since it is smaller than the sum of its proper divisors (3994110548).

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

2578273452 is a wasteful number, since it uses less digits than its factorization.

2578273452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435 (or 1430 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 2578273452 is about 50776.7018621730. The cubic root of 2578273452 is about 1371.2279561647.

The spelling of 2578273452 in words is "two billion, five hundred seventy-eight million, two hundred seventy-three thousand, four hundred fifty-two".