4331577138 has 32 divisors (see below), whose sum is σ = 9925476480. Its totient is φ = 1234502400.

The previous prime is 4331577137. The next prime is 4331577149. The reversal of 4331577138 is 8317751334.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 4331577138.

It is not an unprimeable number, because it can be changed into a prime (4331577137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111753 + ... + 145436.

It is an arithmetic number, because the mean of its divisors is an integer number (310171140).

Almost surely, 2^4331577138 is an apocalyptic number.

4331577138 is an abundant number, since it is smaller than the sum of its proper divisors (5593899342).

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

4331577138 is a wasteful number, since it uses less digits than its factorization.

4331577138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257602.

The product of its digits is 211680, while the sum is 42.

The square root of 4331577138 is about 65814.7182475166. The cubic root of 4331577138 is about 1630.1041420407.

The spelling of 4331577138 in words is "four billion, three hundred thirty-one million, five hundred seventy-seven thousand, one hundred thirty-eight".