442969456 has 10 divisors (see below), whose sum is σ = 858253352. Its totient is φ = 221484720.

The previous prime is 442969451. The next prime is 442969507. The reversal of 442969456 is 654969244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442969451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13842780 + ... + 13842811.

Almost surely, 2^442969456 is an apocalyptic number.

It is an amenable number.

442969456 is a deficient number, since it is larger than the sum of its proper divisors (415283896).

442969456 is a wasteful number, since it uses less digits than its factorization.

442969456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27685599 (or 27685593 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The square root of 442969456 is about 21046.8395727245. The cubic root of 442969456 is about 762.2976725920.

The spelling of 442969456 in words is "four hundred forty-two million, nine hundred sixty-nine thousand, four hundred fifty-six".