4020264436 has 6 divisors (see below), whose sum is σ = 7035462770. Its totient is φ = 2010132216.

The previous prime is 4020264421. The next prime is 4020264439. The reversal of 4020264436 is 6344620204.

It can be written as a sum of positive squares in only one way, i.e., 3393062500 + 627201936 = 58250^2 + 25044^2 .

It is a super-2 number, since 2×4020264436² = 32325052270732796192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4020264398 and 4020264407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020264439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502533051 + ... + 502533058.

Almost surely, 2^4020264436 is an apocalyptic number.

It is an amenable number.

4020264436 is a deficient number, since it is larger than the sum of its proper divisors (3015198334).

4020264436 is a wasteful number, since it uses less digits than its factorization.

4020264436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005066113 (or 1005066111 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 4020264436 is about 63405.5552455777. Note that the first 3 decimals coincide. The cubic root of 4020264436 is about 1590.0771867649.

The spelling of 4020264436 in words is "four billion, twenty million, two hundred sixty-four thousand, four hundred thirty-six".