442443156 has 48 divisors (see below), whose sum is σ = 1095119424. Its totient is φ = 138548736.

The previous prime is 442443109. The next prime is 442443161. The reversal of 442443156 is 651344244.

442443156 = T₂₃₂₈ + T₂₃₂₉ + ... + T₂₄₈₀.

It is a happy number.

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, 129486 + ... + 132858.

It is an arithmetic number, because the mean of its divisors is an integer number (22814988).

Almost surely, 2^442443156 is an apocalyptic number.

It is an amenable number.

442443156 is an abundant number, since it is smaller than the sum of its proper divisors (652676268).

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

442443156 is a wasteful number, since it uses less digits than its factorization.

442443156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040 (or 4038 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 442443156 is about 21034.3327918905. The cubic root of 442443156 is about 761.9956530776.

The spelling of 442443156 in words is "four hundred forty-two million, four hundred forty-three thousand, one hundred fifty-six".