442063340 has 24 divisors (see below), whose sum is σ = 943554192. Its totient is φ = 173926080.

The previous prime is 442063333. The next prime is 442063351. The reversal of 442063340 is 43360244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179954 + ... + 182393.

It is an arithmetic number, because the mean of its divisors is an integer number (39314758).

Almost surely, 2^442063340 is an apocalyptic number.

It is an amenable number.

442063340 is an abundant number, since it is smaller than the sum of its proper divisors (501490852).

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

442063340 is a wasteful number, since it uses less digits than its factorization.

442063340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362417 (or 362415 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 442063340 is about 21025.3023759469. The cubic root of 442063340 is about 761.7775452117. Note that the first 3 decimals are identical.

The spelling of 442063340 in words is "four hundred forty-two million, sixty-three thousand, three hundred forty".