440404130 has 8 divisors (see below), whose sum is σ = 792727452. Its totient is φ = 176161648.

The previous prime is 440404103. The next prime is 440404157. The reversal of 440404130 is 31404044.

It is an interprime number because it is at equal distance from previous prime (440404103) and next prime (440404157).

It can be written as a sum of positive squares in 2 ways, for example, as 354230041 + 86174089 = 18821^2 + 9283^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22020197 + ... + 22020216.

Almost surely, 2^440404130 is an apocalyptic number.

440404130 is a deficient number, since it is larger than the sum of its proper divisors (352323322).

440404130 is a wasteful number, since it uses less digits than its factorization.

440404130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44040420.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 440404130 is about 20985.8078233839. The cubic root of 440404130 is about 760.8232825895.

Adding to 440404130 its reverse (31404044), we get a palindrome (471808174).

The spelling of 440404130 in words is "four hundred forty million, four hundred four thousand, one hundred thirty".