2546454388 has 12 divisors (see below), whose sum is σ = 4609960740. Its totient is φ = 1229322752.

The previous prime is 2546454371. The next prime is 2546454397. The reversal of 2546454388 is 8834546452.

It can be written as a sum of positive squares in 2 ways, for example, as 2052814864 + 493639524 = 45308^2 + 22218^2 .

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, 10975981 + ... + 10976212.

It is an arithmetic number, because the mean of its divisors is an integer number (384163395).

Almost surely, 2^2546454388 is an apocalyptic number.

It is an amenable number.

2546454388 is a deficient number, since it is larger than the sum of its proper divisors (2063506352).

2546454388 is a wasteful number, since it uses less digits than its factorization.

2546454388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21952226 (or 21952224 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 49.

The square root of 2546454388 is about 50462.4056897806. The cubic root of 2546454388 is about 1365.5637110480.

The spelling of 2546454388 in words is "two billion, five hundred forty-six million, four hundred fifty-four thousand, three hundred eighty-eight".