312040466 has 8 divisors (see below), whose sum is σ = 468286140. Its totient is φ = 155945088.

The previous prime is 312040459. The next prime is 312040489. The reversal of 312040466 is 664040213.

It can be written as a sum of positive squares in 2 ways, for example, as 250747225 + 61293241 = 15835^2 + 7829^2 .

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, 32231 + ... + 40778.

Almost surely, 2^312040466 is an apocalyptic number.

312040466 is a deficient number, since it is larger than the sum of its proper divisors (156245674).

312040466 is a wasteful number, since it uses less digits than its factorization.

312040466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75148.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 312040466 is about 17664.6671635783. The cubic root of 312040466 is about 678.2716097203.

Adding to 312040466 its reverse (664040213), we get a palindrome (976080679).

The spelling of 312040466 in words is "three hundred twelve million, forty thousand, four hundred sixty-six".