4026436644 has 24 divisors (see below), whose sum is σ = 9648939328. Its totient is φ = 1305871200.

The previous prime is 4026436627. The next prime is 4026436657. The reversal of 4026436644 is 4466346204.

It is a super-3 number, since 3×4026436644³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 4533832 + ... + 4534719.

Almost surely, 2^4026436644 is an apocalyptic number.

It is an amenable number.

4026436644 is an abundant number, since it is smaller than the sum of its proper divisors (5622502684).

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

4026436644 is a wasteful number, since it uses less digits than its factorization.

4026436644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068595 (or 9068593 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 39.

The square root of 4026436644 is about 63454.2090329712. The cubic root of 4026436644 is about 1590.8905054763.

The spelling of 4026436644 in words is "four billion, twenty-six million, four hundred thirty-six thousand, six hundred forty-four".