2443420140 has 96 divisors (see below), whose sum is σ = 8230494720. Its totient is φ = 529099776.

The previous prime is 2443420139. The next prime is 2443420163. The reversal of 2443420140 is 410243442.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2443420140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145117 + ... + 161076.

It is an arithmetic number, because the mean of its divisors is an integer number (85734320).

Almost surely, 2^2443420140 is an apocalyptic number.

2443420140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2443420140 is an abundant number, since it is smaller than the sum of its proper divisors (5787074580).

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

2443420140 is a wasteful number, since it uses less digits than its factorization.

2443420140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306231 (or 306229 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2443420140 is about 49430.9633731733. The cubic root of 2443420140 is about 1346.8918233086.

Adding to 2443420140 its reverse (410243442), we get a palindrome (2853663582).

The spelling of 2443420140 in words is "two billion, four hundred forty-three million, four hundred twenty thousand, one hundred forty".