442101426 has 32 divisors (see below), whose sum is σ = 960664320. Its totient is φ = 134824704.

The previous prime is 442101403. The next prime is 442101427. The reversal of 442101426 is 624101244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442101396 and 442101405.

It is not an unprimeable number, because it can be changed into a prime (442101427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16266 + ... + 33893.

It is an arithmetic number, because the mean of its divisors is an integer number (30020760).

Almost surely, 2^442101426 is an apocalyptic number.

442101426 is an abundant number, since it is smaller than the sum of its proper divisors (518562894).

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

442101426 is a wasteful number, since it uses less digits than its factorization.

442101426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50290.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 442101426 is about 21026.2080746862. The cubic root of 442101426 is about 761.7994215839.

The spelling of 442101426 in words is "four hundred forty-two million, one hundred one thousand, four hundred twenty-six".