2398505580 has 240 divisors, whose sum is σ = 7725697056. Its totient is φ = 622771200.

The previous prime is 2398505561. The next prime is 2398505621. The reversal of 2398505580 is 855058932.

2398505580 is a `hidden beast` number, since 2 + 3 + 98 + 5 + 0 + 558 + 0 = 666.

It is a super-3 number, since 3×2398505580³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 17507272 + ... + 17507408.

Almost surely, 2^2398505580 is an apocalyptic number.

2398505580 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 2398505580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3862848528).

2398505580 is an abundant number, since it is smaller than the sum of its proper divisors (5327191476).

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

2398505580 is a wasteful number, since it uses less digits than its factorization.

2398505580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The square root of 2398505580 is about 48974.5401203523. The cubic root of 2398505580 is about 1338.5879496906.

The spelling of 2398505580 in words is "two billion, three hundred ninety-eight million, five hundred five thousand, five hundred eighty".