2321798580 has 240 divisors, whose sum is σ = 7649223120. Its totient is φ = 588736512.

The previous prime is 2321798561. The next prime is 2321798603. The reversal of 2321798580 is 858971232.

It is a happy number.

2321798580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 242985744 + 2078812836 = 15588^2 + 45594^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3429202 + ... + 3429878.

It is an arithmetic number, because the mean of its divisors is an integer number (31871763).

Almost surely, 2^2321798580 is an apocalyptic number.

2321798580 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 2321798580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3824611560).

2321798580 is an abundant number, since it is smaller than the sum of its proper divisors (5327424540).

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

2321798580 is a wasteful number, since it uses less digits than its factorization.

2321798580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 2321798580 is about 48185.0451903908. The cubic root of 2321798580 is about 1324.1631986987.

The spelling of 2321798580 in words is "two billion, three hundred twenty-one million, seven hundred ninety-eight thousand, five hundred eighty".