2545283340 has 144 divisors (see below), whose sum is σ = 7822694880. Its totient is φ = 669849600.

The previous prime is 2545283297. The next prime is 2545283347. The reversal of 2545283340 is 433825452.

2545283340 is a `hidden beast` number, since 2 + 545 + 2 + 83 + 34 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2545283295 and 2545283304.

It is not an unprimeable number, because it can be changed into a prime (2545283347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6347140 + ... + 6347540.

It is an arithmetic number, because the mean of its divisors is an integer number (54324270).

Almost surely, 2^2545283340 is an apocalyptic number.

2545283340 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 2545283340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3911347440).

2545283340 is an abundant number, since it is smaller than the sum of its proper divisors (5277411540).

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

2545283340 is a wasteful number, since it uses less digits than its factorization.

2545283340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 2545283340 is about 50450.8011829346. The cubic root of 2545283340 is about 1365.3543498990.

The spelling of 2545283340 in words is "two billion, five hundred forty-five million, two hundred eighty-three thousand, three hundred forty".