1040668518 has 32 divisors (see below), whose sum is σ = 2105979264. Its totient is φ = 342798912.

The previous prime is 1040668487. The next prime is 1040668523. The reversal of 1040668518 is 8158660401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291621 + ... + 295167.

It is an arithmetic number, because the mean of its divisors is an integer number (65811852).

Almost surely, 2^1040668518 is an apocalyptic number.

1040668518 is an abundant number, since it is smaller than the sum of its proper divisors (1065310746).

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

1040668518 is a wasteful number, since it uses less digits than its factorization.

1040668518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 1040668518 is about 32259.3942596571. The cubic root of 1040668518 is about 1013.3764455582.

The spelling of 1040668518 in words is "one billion, forty million, six hundred sixty-eight thousand, five hundred eighteen".