2318798420 has 48 divisors (see below), whose sum is σ = 4958165520. Its totient is φ = 910780416.

The previous prime is 2318798401. The next prime is 2318798423. The reversal of 2318798420 is 248978132.

It can be written as a sum of positive squares in 8 ways, for example, as 13454224 + 2305344196 = 3668^2 + 48014^2 .

It is a super-2 number, since 2×2318798420² = 10753652225188992800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2318798423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241634 + ... + 251046.

It is an arithmetic number, because the mean of its divisors is an integer number (103295115).

Almost surely, 2^2318798420 is an apocalyptic number.

2318798420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2318798420 is an abundant number, since it is smaller than the sum of its proper divisors (2639367100).

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

2318798420 is a wasteful number, since it uses less digits than its factorization.

2318798420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9644 (or 9642 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 2318798420 is about 48153.9034762500. The cubic root of 2318798420 is about 1323.5926045823.

The spelling of 2318798420 in words is "two billion, three hundred eighteen million, seven hundred ninety-eight thousand, four hundred twenty".