442053662 has 8 divisors (see below), whose sum is σ = 663262992. Its totient is φ = 220966000.

The previous prime is 442053643. The next prime is 442053691. The reversal of 442053662 is 266350244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×442053662² = 390822880175220488, which contains 22 as substring.

It is a congruent number.

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, 20714 + ... + 36237.

It is an arithmetic number, because the mean of its divisors is an integer number (82907874).

Almost surely, 2^442053662 is an apocalyptic number.

442053662 is a deficient number, since it is larger than the sum of its proper divisors (221209330).

442053662 is a wasteful number, since it uses less digits than its factorization.

442053662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60834.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 442053662 is about 21025.0722234194. The cubic root of 442053662 is about 761.7719860258.

The spelling of 442053662 in words is "four hundred forty-two million, fifty-three thousand, six hundred sixty-two".