2545678900 has 72 divisors (see below), whose sum is σ = 5913684000. Its totient is φ = 948286080.

The previous prime is 2545678859. The next prime is 2545678937. The reversal of 2545678900 is 98765452.

It is a zygodrome in base 6.

It is a congruent number.

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, 100746 + ... + 123454.

It is an arithmetic number, because the mean of its divisors is an integer number (82134500).

Almost surely, 2^2545678900 is an apocalyptic number.

2545678900 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 2545678900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2956842000).

2545678900 is an abundant number, since it is smaller than the sum of its proper divisors (3368005100).

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

2545678900 is a wasteful number, since it uses less digits than its factorization.

2545678900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22801 (or 22794 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 2545678900 is about 50454.7212855249. The cubic root of 2545678900 is about 1365.4250756977.

The spelling of 2545678900 in words is "two billion, five hundred forty-five million, six hundred seventy-eight thousand, nine hundred".