2545949408 has 24 divisors (see below), whose sum is σ = 5031412848. Its totient is φ = 1268130304.

The previous prime is 2545949389. The next prime is 2545949423. The reversal of 2545949408 is 8049495452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142841 + ... + 159672.

It is an arithmetic number, because the mean of its divisors is an integer number (209642202).

Almost surely, 2^2545949408 is an apocalyptic number.

It is an amenable number.

2545949408 is a deficient number, since it is larger than the sum of its proper divisors (2485463440).

2545949408 is a wasteful number, since it uses less digits than its factorization.

2545949408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302786 (or 302778 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 50.

The square root of 2545949408 is about 50457.4019148826. The cubic root of 2545949408 is about 1365.4734380846.

The spelling of 2545949408 in words is "two billion, five hundred forty-five million, nine hundred forty-nine thousand, four hundred eight".