2545261180 has 192 divisors, whose sum is σ = 6865689600. Its totient is φ = 769720320.

The previous prime is 2545261177. The next prime is 2545261193. The reversal of 2545261180 is 811625452.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9903612 + ... + 9903868.

It is an arithmetic number, because the mean of its divisors is an integer number (35758800).

Almost surely, 2^2545261180 is an apocalyptic number.

2545261180 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 2545261180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3432844800).

2545261180 is an abundant number, since it is smaller than the sum of its proper divisors (4320428420).

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

2545261180 is a wasteful number, since it uses less digits than its factorization.

2545261180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 2545261180 is about 50450.5815625549. The cubic root of 2545261180 is about 1365.3503874927.

The spelling of 2545261180 in words is "two billion, five hundred forty-five million, two hundred sixty-one thousand, one hundred eighty".