4220002040 has 64 divisors (see below), whose sum is σ = 9703281600. Its totient is φ = 1651167232.

The previous prime is 4220001977. The next prime is 4220002043. The reversal of 4220002040 is 402000224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220002043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745541 + ... + 751179.

It is an arithmetic number, because the mean of its divisors is an integer number (151613775).

Almost surely, 2^4220002040 is an apocalyptic number.

4220002040 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 4220002040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4851640800).

4220002040 is an abundant number, since it is smaller than the sum of its proper divisors (5483279560).

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

4220002040 is a wasteful number, since it uses less digits than its factorization.

4220002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056 (or 6052 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4220002040 is about 64961.5427772463. The cubic root of 4220002040 is about 1615.9858499153.

Adding to 4220002040 its reverse (402000224), we get a palindrome (4622002264).

The spelling of 4220002040 in words is "four billion, two hundred twenty million, two thousand, forty".