439954042 has 8 divisors (see below), whose sum is σ = 719924832. Its totient is φ = 199979100.

The previous prime is 439954003. The next prime is 439954049. The reversal of 439954042 is 240459934.

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 = 439953986 and 439954004.

It is not an unprimeable number, because it can be changed into a prime (439954049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9998934 + ... + 9998977.

It is an arithmetic number, because the mean of its divisors is an integer number (89990604).

Almost surely, 2^439954042 is an apocalyptic number.

439954042 is a deficient number, since it is larger than the sum of its proper divisors (279970790).

439954042 is a wasteful number, since it uses less digits than its factorization.

439954042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19997924.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 439954042 is about 20975.0814539539. The cubic root of 439954042 is about 760.5640100046.

The spelling of 439954042 in words is "four hundred thirty-nine million, nine hundred fifty-four thousand, forty-two".