442449088 has 28 divisors (see below), whose sum is σ = 894557520. Its totient is φ = 217048832.

The previous prime is 442449061. The next prime is 442449097. The reversal of 442449088 is 880944244.

It is a super-2 number, since 2×442449088² = 391522390944063488, which contains 22 as substring.

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, 61828 + ... + 68611.

Almost surely, 2^442449088 is an apocalyptic number.

It is an amenable number.

442449088 is an abundant number, since it is smaller than the sum of its proper divisors (452108432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442449088 is a wasteful number, since it uses less digits than its factorization.

442449088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130504 (or 130494 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 43.

The square root of 442449088 is about 21034.4737989806. The cubic root of 442449088 is about 761.9990585155. Note that the first 3 decimals are identical.

The spelling of 442449088 in words is "four hundred forty-two million, four hundred forty-nine thousand, eighty-eight".