442887448 has 16 divisors (see below), whose sum is σ = 866519280. Its totient is φ = 211815648.

The previous prime is 442887437. The next prime is 442887457. The reversal of 442887448 is 844788244.

It is a super-2 number, since 2×442887448² = 392298583191905408, which contains 22 as substring.

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, 1203315 + ... + 1203682.

It is an arithmetic number, because the mean of its divisors is an integer number (54157455).

Almost surely, 2^442887448 is an apocalyptic number.

It is an amenable number.

442887448 is a deficient number, since it is larger than the sum of its proper divisors (423631832).

442887448 is a wasteful number, since it uses less digits than its factorization.

442887448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407026 (or 2407022 counting only the distinct ones).

The product of its digits is 1835008, while the sum is 49.

The square root of 442887448 is about 21044.8912565497. The cubic root of 442887448 is about 762.2506276886.

The spelling of 442887448 in words is "four hundred forty-two million, eight hundred eighty-seven thousand, four hundred forty-eight".