4523038638 has 16 divisors (see below), whose sum is σ = 9046832976. Its totient is φ = 1507553600.

The previous prime is 4523038633. The next prime is 4523038669. The reversal of 4523038638 is 8368303254.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4523038638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4523038633) 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, 72988 + ... + 119888.

It is an arithmetic number, because the mean of its divisors is an integer number (565427061).

Almost surely, 2^4523038638 is an apocalyptic number.

4523038638 is an abundant number, since it is smaller than the sum of its proper divisors (4523794338).

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

4523038638 is a wasteful number, since it uses less digits than its factorization.

4523038638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62979.

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 4523038638 is about 67253.5399663096. The cubic root of 4523038638 is about 1653.7763078870.

The spelling of 4523038638 in words is "four billion, five hundred twenty-three million, thirty-eight thousand, six hundred thirty-eight".