2545227280 has 40 divisors (see below), whose sum is σ = 5920917912. Its totient is φ = 1017529344.

The previous prime is 2545227263. The next prime is 2545227283. The reversal of 2545227280 is 827225452.

It can be written as a sum of positive squares in 4 ways, for example, as 893292544 + 1651934736 = 29888^2 + 40644^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2545227283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156492 + ... + 171988.

Almost surely, 2^2545227280 is an apocalyptic number.

2545227280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545227280 is an abundant number, since it is smaller than the sum of its proper divisors (3375690632).

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

2545227280 is a wasteful number, since it uses less digits than its factorization.

2545227280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17563 (or 17557 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 2545227280 is about 50450.2455890950. The cubic root of 2545227280 is about 1365.3443258248.

The spelling of 2545227280 in words is "two billion, five hundred forty-five million, two hundred twenty-seven thousand, two hundred eighty".