4056021226 has 8 divisors (see below), whose sum is σ = 6144270084. Its totient is φ = 2007931200.

The previous prime is 4056021223. The next prime is 4056021253. The reversal of 4056021226 is 6221206504.

It can be written as a sum of positive squares in 2 ways, for example, as 3203673201 + 852348025 = 56601^2 + 29195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4056021194 and 4056021203.

It is not an unprimeable number, because it can be changed into a prime (4056021223) 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, 10039455 + ... + 10039858.

Almost surely, 2^4056021226 is an apocalyptic number.

4056021226 is a deficient number, since it is larger than the sum of its proper divisors (2088248858).

4056021226 is a wasteful number, since it uses less digits than its factorization.

4056021226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20079416.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4056021226 is about 63686.8999559564. The cubic root of 4056021226 is about 1594.7774018094. Note that the first 3 decimals are identical.

The spelling of 4056021226 in words is "four billion, fifty-six million, twenty-one thousand, two hundred twenty-six".