4140031220 has 48 divisors (see below), whose sum is σ = 9855632640. Its totient is φ = 1448171136.

The previous prime is 4140031219. The next prime is 4140031283. The reversal of 4140031220 is 221300414.

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, 414092 + ... + 423971.

It is an arithmetic number, because the mean of its divisors is an integer number (205325680).

Almost surely, 2^4140031220 is an apocalyptic number.

It is an amenable number.

4140031220 is an abundant number, since it is smaller than the sum of its proper divisors (5715601420).

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

4140031220 is a wasteful number, since it uses less digits than its factorization.

4140031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838104 (or 838102 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4140031220 is about 64343.0743747919. The cubic root of 4140031220 is about 1605.7128098713.

Adding to 4140031220 its reverse (221300414), we get a palindrome (4361331634).

The spelling of 4140031220 in words is "four billion, one hundred forty million, thirty-one thousand, two hundred twenty".