2001440315 has 16 divisors (see below), whose sum is σ = 2751372480. Its totient is φ = 1369146240.

The previous prime is 2001440279. The next prime is 2001440327. The reversal of 2001440315 is 5130441002.

It is not a de Polignac number, because 2001440315 - 2²⁸ = 1733004859 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53180 + ... + 82649.

It is an arithmetic number, because the mean of its divisors is an integer number (171960780).

Almost surely, 2^2001440315 is an apocalyptic number.

2001440315 is a deficient number, since it is larger than the sum of its proper divisors (749932165).

2001440315 is a wasteful number, since it uses less digits than its factorization.

2001440315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136262.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2001440315 is about 44737.4598630722. The cubic root of 2001440315 is about 1260.2234245185.

Adding to 2001440315 its reverse (5130441002), we get a palindrome (7131881317).

The spelling of 2001440315 in words is "two billion, one million, four hundred forty thousand, three hundred fifteen".