4201340240 has 20 divisors (see below), whose sum is σ = 9768116244. Its totient is φ = 1680536064.

The previous prime is 4201340239. The next prime is 4201340243. The reversal of 4201340240 is 420431024.

It can be written as a sum of positive squares in 2 ways, for example, as 1582766656 + 2618573584 = 39784^2 + 51172^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201340243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26258297 + ... + 26258456.

Almost surely, 2^4201340240 is an apocalyptic number.

4201340240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4201340240 is an abundant number, since it is smaller than the sum of its proper divisors (5566776004).

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

4201340240 is a wasteful number, since it uses less digits than its factorization.

4201340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52516766 (or 52516760 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4201340240 is about 64817.7463353980. The cubic root of 4201340240 is about 1613.6002453611.

Adding to 4201340240 its reverse (420431024), we get a palindrome (4621771264).

The spelling of 4201340240 in words is "four billion, two hundred one million, three hundred forty thousand, two hundred forty".