4220043240 has 256 divisors, whose sum is σ = 14805504000. Its totient is φ = 942391296.

The previous prime is 4220043227. The next prime is 4220043271. The reversal of 4220043240 is 423400224.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9398536 + ... + 9398984.

It is an arithmetic number, because the mean of its divisors is an integer number (57834000).

Almost surely, 2^4220043240 is an apocalyptic number.

4220043240 is a gapful number since it is divisible by the number (40) 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 4220043240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7402752000).

4220043240 is an abundant number, since it is smaller than the sum of its proper divisors (10585460760).

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

4220043240 is a wasteful number, since it uses less digits than its factorization.

4220043240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4220043240 is about 64961.8598871676. The cubic root of 4220043240 is about 1615.9911088701.

Adding to 4220043240 its reverse (423400224), we get a palindrome (4643443464).

The spelling of 4220043240 in words is "four billion, two hundred twenty million, forty-three thousand, two hundred forty".