4040221242 has 16 divisors (see below), whose sum is σ = 8139425472. Its totient is φ = 1336909920.

The previous prime is 4040221183. The next prime is 4040221259. The reversal of 4040221242 is 2421220404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2456734 + ... + 2458377.

It is an arithmetic number, because the mean of its divisors is an integer number (508714092).

Almost surely, 2^4040221242 is an apocalyptic number.

4040221242 is an abundant number, since it is smaller than the sum of its proper divisors (4099204230).

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

4040221242 is a wasteful number, since it uses less digits than its factorization.

4040221242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915253.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4040221242 is about 63562.7346957319. The cubic root of 4040221242 is about 1592.7039209764.

Adding to 4040221242 its reverse (2421220404), we get a palindrome (6461441646).

The spelling of 4040221242 in words is "four billion, forty million, two hundred twenty-one thousand, two hundred forty-two".