2545557300 has 576 divisors, whose sum is σ = 10149350400. Its totient is φ = 538099200.

The previous prime is 2545557293. The next prime is 2545557317. The reversal of 2545557300 is 37555452.

2545557300 is a `hidden beast` number, since 254 + 55 + 57 + 300 = 666.

It is a super-4 number, since 4×2545557300⁴ (a number of 39 digits) contains 4444 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7335727 + ... + 7336073.

It is an arithmetic number, because the mean of its divisors is an integer number (17620400).

Almost surely, 2^2545557300 is an apocalyptic number.

2545557300 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 2545557300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5074675200).

2545557300 is an abundant number, since it is smaller than the sum of its proper divisors (7603793100).

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

2545557300 is a wasteful number, since it uses less digits than its factorization.

2545557300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 36.

The square root of 2545557300 is about 50453.5162302886. The cubic root of 2545557300 is about 1365.4033344989.

The spelling of 2545557300 in words is "two billion, five hundred forty-five million, five hundred fifty-seven thousand, three hundred".