2645550300 has 144 divisors (see below), whose sum is σ = 7802750592. Its totient is φ = 691948800.

The previous prime is 2645550289. The next prime is 2645550311. The reversal of 2645550300 is 30555462.

It is an interprime number because it is at equal distance from previous prime (2645550289) and next prime (2645550311).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4506607 + ... + 4507193.

It is an arithmetic number, because the mean of its divisors is an integer number (54185768).

Almost surely, 2^2645550300 is an apocalyptic number.

2645550300 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 2645550300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3901375296).

2645550300 is an abundant number, since it is smaller than the sum of its proper divisors (5157200292).

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

2645550300 is a wasteful number, since it uses less digits than its factorization.

2645550300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2645550300 is about 51434.9132399385. The cubic root of 2645550300 is about 1383.0525266701.

The spelling of 2645550300 in words is "two billion, six hundred forty-five million, five hundred fifty thousand, three hundred".