2545126800 has 120 divisors (see below), whose sum is σ = 8164656000. Its totient is φ = 677721600.

The previous prime is 2545126799. The next prime is 2545126811. The reversal of 2545126800 is 86215452.

2545126800 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

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, 1272201 + ... + 1274199.

It is an arithmetic number, because the mean of its divisors is an integer number (68038800).

Almost surely, 2^2545126800 is an apocalyptic number.

2545126800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545126800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4082328000).

2545126800 is an abundant number, since it is smaller than the sum of its proper divisors (5619529200).

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

2545126800 is a wasteful number, since it uses less digits than its factorization.

2545126800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081 (or 3070 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 2545126800 is about 50449.2497466513. The cubic root of 2545126800 is about 1365.3263586536.

The spelling of 2545126800 in words is "two billion, five hundred forty-five million, one hundred twenty-six thousand, eight hundred".