2545764870 has 128 divisors (see below), whose sum is σ = 6858473472. Its totient is φ = 599472000.

The previous prime is 2545764839. The next prime is 2545764883. The reversal of 2545764870 is 784675452.

2545764870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2545764870² = 12961837546652233800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2341467 + ... + 2342553.

It is an arithmetic number, because the mean of its divisors is an integer number (53581824).

Almost surely, 2^2545764870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545764870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3429236736).

2545764870 is an abundant number, since it is smaller than the sum of its proper divisors (4312708602).

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

2545764870 is a wasteful number, since it uses less digits than its factorization.

2545764870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306.

The product of its (nonzero) digits is 1881600, while the sum is 48.

The square root of 2545764870 is about 50455.5732303182. The cubic root of 2545764870 is about 1365.4404460929.

The spelling of 2545764870 in words is "two billion, five hundred forty-five million, seven hundred sixty-four thousand, eight hundred seventy".