438332542 has 8 divisors (see below), whose sum is σ = 657657000. Its totient is φ = 219113544.

The previous prime is 438332509. The next prime is 438332561. The reversal of 438332542 is 245233834.

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

It is a junction number, because it is equal to n+sod(n) for n = 438332498 and 438332507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14992 + ... + 33187.

It is an arithmetic number, because the mean of its divisors is an integer number (82207125).

Almost surely, 2^438332542 is an apocalyptic number.

438332542 is a deficient number, since it is larger than the sum of its proper divisors (219324458).

438332542 is a wasteful number, since it uses less digits than its factorization.

438332542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52730.

The product of its digits is 69120, while the sum is 34.

The square root of 438332542 is about 20936.3927647530. The cubic root of 438332542 is about 759.6284783857.

The spelling of 438332542 in words is "four hundred thirty-eight million, three hundred thirty-two thousand, five hundred forty-two".