4206422440 has 32 divisors (see below), whose sum is σ = 10324856160. Its totient is φ = 1529608000.

The previous prime is 4206422419. The next prime is 4206422449. The reversal of 4206422440 is 442246024.

It is a junction number, because it is equal to n+sod(n) for n = 4206422399 and 4206422408.

It is not an unprimeable number, because it can be changed into a prime (4206422449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4779586 + ... + 4780465.

It is an arithmetic number, because the mean of its divisors is an integer number (322651755).

Almost surely, 2^4206422440 is an apocalyptic number.

4206422440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4206422440 is an abundant number, since it is smaller than the sum of its proper divisors (6118433720).

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

4206422440 is a wasteful number, since it uses less digits than its factorization.

4206422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9560073 (or 9560069 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 4206422440 is about 64856.9382564425. The cubic root of 4206422440 is about 1614.2506199442.

Adding to 4206422440 its reverse (442246024), we get a palindrome (4648668464).

The spelling of 4206422440 in words is "four billion, two hundred six million, four hundred twenty-two thousand, four hundred forty".