440420002 has 8 divisors (see below), whose sum is σ = 720687312. Its totient is φ = 200190900.

The previous prime is 440419999. The next prime is 440420009. The reversal of 440420002 is 200024044.

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

It is not an unprimeable number, because it can be changed into a prime (440420009) 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, 10009524 + ... + 10009567.

It is an arithmetic number, because the mean of its divisors is an integer number (90085914).

Almost surely, 2^440420002 is an apocalyptic number.

440420002 is a deficient number, since it is larger than the sum of its proper divisors (280267310).

440420002 is a wasteful number, since it uses less digits than its factorization.

440420002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20019104.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 440420002 is about 20986.1859803062. The cubic root of 440420002 is about 760.8324224085.

Adding to 440420002 its reverse (200024044), we get a palindrome (640444046).

The spelling of 440420002 in words is "four hundred forty million, four hundred twenty thousand, two".