2545279488 has 120 divisors (see below), whose sum is σ = 7366635276. Its totient is φ = 846028800.

The previous prime is 2545279481. The next prime is 2545279489. The reversal of 2545279488 is 8849725452.

2545279488 is a `hidden beast` number, since 2 + 545 + 2 + 7 + 94 + 8 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2545000704 + 278784 = 50448^2 + 528^2 .

It is not an unprimeable number, because it can be changed into a prime (2545279481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2492418 + ... + 2493438.

Almost surely, 2^2545279488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545279488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3683317638).

2545279488 is an abundant number, since it is smaller than the sum of its proper divisors (4821355788).

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

2545279488 is a wasteful number, since it uses less digits than its factorization.

2545279488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586 (or 1567 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The square root of 2545279488 is about 50450.7630071142. The cubic root of 2545279488 is about 1365.3536611286.

The spelling of 2545279488 in words is "two billion, five hundred forty-five million, two hundred seventy-nine thousand, four hundred eighty-eight".