4375979388438 has 32 divisors (see below), whose sum is σ = 10017842780160. Its totient is φ = 1248329303040.

The previous prime is 4375979388421. The next prime is 4375979388439. The reversal of 4375979388438 is 8348839795734.

It is a happy number.

It is a super-3 number, since 3×4375979388438³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4375979388439) 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, 81244518 + ... + 81298361.

It is an arithmetic number, because the mean of its divisors is an integer number (313057586880).

Almost surely, 2^{4375979388438} is an apocalyptic number.

4375979388438 is an abundant number, since it is smaller than the sum of its proper divisors (5641863391722).

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

4375979388438 is a wasteful number, since it uses less digits than its factorization.

4375979388438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162543532.

The product of its digits is 4389396480, while the sum is 78.

The spelling of 4375979388438 in words is "four trillion, three hundred seventy-five billion, nine hundred seventy-nine million, three hundred eighty-eight thousand, four hundred thirty-eight".