442450126 has 16 divisors (see below), whose sum is σ = 733269024. Its totient is φ = 199158784.

The previous prime is 442450123. The next prime is 442450133. The reversal of 442450126 is 621054244.

It is a super-2 number, since 2×442450126² = 391524227994831752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442450094 and 442450103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442450121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282115 + ... + 283678.

It is an arithmetic number, because the mean of its divisors is an integer number (45829314).

Almost surely, 2^442450126 is an apocalyptic number.

442450126 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

442450126 is a deficient number, since it is larger than the sum of its proper divisors (290818898).

442450126 is a wasteful number, since it uses less digits than its factorization.

442450126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565835.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 442450126 is about 21034.4984727471. The cubic root of 442450126 is about 761.9996544066. Note that the first 3 decimals are identical.

The spelling of 442450126 in words is "four hundred forty-two million, four hundred fifty thousand, one hundred twenty-six".