442051320 has 64 divisors (see below), whose sum is σ = 1368944640. Its totient is φ = 114076800.

The previous prime is 442051303. The next prime is 442051331. The reversal of 442051320 is 23150244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55696 + ... + 63135.

It is an arithmetic number, because the mean of its divisors is an integer number (21389760).

Almost surely, 2^442051320 is an apocalyptic number.

442051320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442051320 is an abundant number, since it is smaller than the sum of its proper divisors (926893320).

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

442051320 is a wasteful number, since it uses less digits than its factorization.

442051320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118876 (or 118872 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 442051320 is about 21025.0165279364. The cubic root of 442051320 is about 761.7706407343.

The spelling of 442051320 in words is "four hundred forty-two million, fifty-one thousand, three hundred twenty".