4021202240 has 112 divisors (see below), whose sum is σ = 10900379520. Its totient is φ = 1398650880.

The previous prime is 4021202197. The next prime is 4021202257. The reversal of 4021202240 is 422021204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56126 + ... + 105794.

Almost surely, 2^4021202240 is an apocalyptic number.

4021202240 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 4021202240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5450189760).

4021202240 is an abundant number, since it is smaller than the sum of its proper divisors (6879177280).

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

4021202240 is a wasteful number, since it uses less digits than its factorization.

4021202240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49720 (or 49710 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4021202240 is about 63412.9500969636. The cubic root of 4021202240 is about 1590.2008158475.

Adding to 4021202240 its reverse (422021204), we get a palindrome (4443223444).

The spelling of 4021202240 in words is "four billion, twenty-one million, two hundred two thousand, two hundred forty".