4002644433 has 8 divisors (see below), whose sum is σ = 5337183328. Its totient is φ = 2668267584.

The previous prime is 4002644431. The next prime is 4002644447. The reversal of 4002644433 is 3344462004.

4002644433 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4002644433 - 2¹ = 4002644431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4002644433.

It is not an unprimeable number, because it can be changed into a prime (4002644431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39966 + ... + 97992.

It is an arithmetic number, because the mean of its divisors is an integer number (667147916).

Almost surely, 2^4002644433 is an apocalyptic number.

It is an amenable number.

4002644433 is a deficient number, since it is larger than the sum of its proper divisors (1334538895).

4002644433 is a wasteful number, since it uses less digits than its factorization.

4002644433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81023.

The product of its (nonzero) digits is 27648, while the sum is 30.

The square root of 4002644433 is about 63266.4558277133. The cubic root of 4002644433 is about 1587.7507895519.

The spelling of 4002644433 in words is "four billion, two million, six hundred forty-four thousand, four hundred thirty-three".