4380239438 has 4 divisors (see below), whose sum is σ = 6570359160. Its totient is φ = 2190119718.

The previous prime is 4380239417. The next prime is 4380239441. The reversal of 4380239438 is 8349320834.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095059858 + ... + 1095059861.

It is an arithmetic number, because the mean of its divisors is an integer number (1642589790).

Almost surely, 2^4380239438 is an apocalyptic number.

4380239438 is a deficient number, since it is larger than the sum of its proper divisors (2190119722).

4380239438 is a wasteful number, since it uses less digits than its factorization.

4380239438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190119721.

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 4380239438 is about 66183.3773541363. The cubic root of 4380239438 is about 1636.1857917437.

The spelling of 4380239438 in words is "four billion, three hundred eighty million, two hundred thirty-nine thousand, four hundred thirty-eight".