440266042 has 8 divisors (see below), whose sum is σ = 666458100. Its totient is φ = 218113344.

The previous prime is 440266037. The next prime is 440266049. The reversal of 440266042 is 240662044.

It can be written as a sum of positive squares in 2 ways, for example, as 407192041 + 33074001 = 20179^2 + 5751^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 440266042.

It is not an unprimeable number, because it can be changed into a prime (440266049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009567 + ... + 1010002.

Almost surely, 2^440266042 is an apocalyptic number.

440266042 is a deficient number, since it is larger than the sum of its proper divisors (226192058).

440266042 is a wasteful number, since it uses less digits than its factorization.

440266042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019680.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 440266042 is about 20982.5175324602. The cubic root of 440266042 is about 760.7437559754.

The spelling of 440266042 in words is "four hundred forty million, two hundred sixty-six thousand, forty-two".