4150040221 has 4 divisors (see below), whose sum is σ = 4394160252. Its totient is φ = 3905920192.

The previous prime is 4150040203. The next prime is 4150040309. The reversal of 4150040221 is 1220400514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1711063225 + 2438976996 = 41365^2 + 49386^2 .

It is a cyclic number.

It is not a de Polignac number, because 4150040221 - 2⁷ = 4150040093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4150046221) 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, 122059990 + ... + 122060023.

It is an arithmetic number, because the mean of its divisors is an integer number (1098540063).

Almost surely, 2^4150040221 is an apocalyptic number.

It is an amenable number.

4150040221 is a deficient number, since it is larger than the sum of its proper divisors (244120031).

4150040221 is a wasteful number, since it uses less digits than its factorization.

4150040221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244120030.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4150040221 is about 64420.8058083722. The cubic root of 4150040221 is about 1607.0057668567.

Adding to 4150040221 its reverse (1220400514), we get a palindrome (5370440735).

The spelling of 4150040221 in words is "four billion, one hundred fifty million, forty thousand, two hundred twenty-one".