442896340 has 24 divisors (see below), whose sum is σ = 936877032. Its totient is φ = 175864320.

The previous prime is 442896319. The next prime is 442896341. The reversal of 442896340 is 43698244.

It can be written as a sum of positive squares in 4 ways, for example, as 37920964 + 404975376 = 6158^2 + 20124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442896293 and 442896302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442896341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78081 + ... + 83560.

It is an arithmetic number, because the mean of its divisors is an integer number (39036543).

Almost surely, 2^442896340 is an apocalyptic number.

It is an amenable number.

442896340 is an abundant number, since it is smaller than the sum of its proper divisors (493980692).

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

442896340 is a wasteful number, since it uses less digits than its factorization.

442896340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161787 (or 161785 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 442896340 is about 21045.1025181632. The cubic root of 442896340 is about 762.2557289751.

The spelling of 442896340 in words is "four hundred forty-two million, eight hundred ninety-six thousand, three hundred forty".