442040956 has 36 divisors (see below), whose sum is σ = 939003408. Its totient is φ = 181207488.

The previous prime is 442040923. The next prime is 442040981. The reversal of 442040956 is 659040244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44521 + ... + 53536.

It is an arithmetic number, because the mean of its divisors is an integer number (26083428).

Almost surely, 2^442040956 is an apocalyptic number.

442040956 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

442040956 is an abundant number, since it is smaller than the sum of its proper divisors (496962452).

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

442040956 is a wasteful number, since it uses less digits than its factorization.

442040956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98098 (or 98089 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 442040956 is about 21024.7700581956. The cubic root of 442040956 is about 761.7646873888.

The spelling of 442040956 in words is "four hundred forty-two million, forty thousand, nine hundred fifty-six".