438326042 has 64 divisors (see below), whose sum is σ = 873897984. Its totient is φ = 159815040.

The previous prime is 438326033. The next prime is 438326051. The reversal of 438326042 is 240623834.

It is an interprime number because it is at equal distance from previous prime (438326033) and next prime (438326051).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165158 + ... + 167790.

It is an arithmetic number, because the mean of its divisors is an integer number (13654656).

Almost surely, 2^438326042 is an apocalyptic number.

438326042 is a deficient number, since it is larger than the sum of its proper divisors (435571942).

438326042 is a wasteful number, since it uses less digits than its factorization.

438326042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 438326042 is about 20936.2375320878. The cubic root of 438326042 is about 759.6247235428.

Adding to 438326042 its reverse (240623834), we get a palindrome (678949876).

The spelling of 438326042 in words is "four hundred thirty-eight million, three hundred twenty-six thousand, forty-two".