2040518 has 4 divisors (see below), whose sum is σ = 3060780. Its totient is φ = 1020258.

The previous prime is 2040497. The next prime is 2040539. The reversal of 2040518 is 8150402.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2040497) and next prime (2040539).

It is a self number, because there is not a number n which added to its sum of digits gives 2040518.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510128 + ... + 510131.

It is an arithmetic number, because the mean of its divisors is an integer number (765195).

2^2040518 is an apocalyptic number.

2040518 is a deficient number, since it is larger than the sum of its proper divisors (1020262).

2040518 is a wasteful number, since it uses less digits than its factorization.

2040518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020261.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2040518 is about 1428.4670104696. The cubic root of 2040518 is about 126.8372478617.

The spelling of 2040518 in words is "two million, forty thousand, five hundred eighteen".