4011221140 has 24 divisors (see below), whose sum is σ = 8426396160. Its totient is φ = 1603949088.

The previous prime is 4011221131. The next prime is 4011221147. The reversal of 4011221140 is 411221104.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011221147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30229 + ... + 94531.

It is an arithmetic number, because the mean of its divisors is an integer number (351099840).

Almost surely, 2^4011221140 is an apocalyptic number.

It is an amenable number.

4011221140 is an abundant number, since it is smaller than the sum of its proper divisors (4415175020).

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

4011221140 is a wasteful number, since it uses less digits than its factorization.

4011221140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67431 (or 67429 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 4011221140 is about 63334.2019764992. The cubic root of 4011221140 is about 1588.8840368864.

Adding to 4011221140 its reverse (411221104), we get a palindrome (4422442244).

The spelling of 4011221140 in words is "four billion, eleven million, two hundred twenty-one thousand, one hundred forty".