2545854800 has 30 divisors (see below), whose sum is σ = 6116417118. Its totient is φ = 1018341760.

The previous prime is 2545854799. The next prime is 2545854809. The reversal of 2545854800 is 84585452.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 89264704 + 2456590096 = 9448^2 + 49564^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545854809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3181919 + ... + 3182718.

Almost surely, 2^2545854800 is an apocalyptic number.

2545854800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545854800 is an abundant number, since it is smaller than the sum of its proper divisors (3570562318).

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

2545854800 is a wasteful number, since it uses less digits than its factorization.

2545854800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364655 (or 6364644 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 41.

The square root of 2545854800 is about 50456.4644024926. The cubic root of 2545854800 is about 1365.4565241178.

The spelling of 2545854800 in words is "two billion, five hundred forty-five million, eight hundred fifty-four thousand, eight hundred".