313040440 has 32 divisors (see below), whose sum is σ = 704915280. Its totient is φ = 125114112.

The previous prime is 313040407. The next prime is 313040467. The reversal of 313040440 is 44040313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63919 + ... + 68641.

Almost surely, 2^313040440 is an apocalyptic number.

It is an amenable number.

313040440 is an abundant number, since it is smaller than the sum of its proper divisors (391874840).

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

313040440 is a wasteful number, since it uses less digits than its factorization.

313040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391 (or 6387 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 313040440 is about 17692.9488780135. The cubic root of 313040440 is about 678.9953734819.

Adding to 313040440 its reverse (44040313), we get a palindrome (357080753).

The spelling of 313040440 in words is "three hundred thirteen million, forty thousand, four hundred forty".