1040116728 has 48 divisors (see below), whose sum is σ = 3024832680. Its totient is φ = 297175872.

The previous prime is 1040116711. The next prime is 1040116733. The reversal of 1040116728 is 8276110401.

It is a junction number, because it is equal to n+sod(n) for n = 1040116695 and 1040116704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441051 + ... + 443402.

Almost surely, 2^1040116728 is an apocalyptic number.

It is an amenable number.

1040116728 is an abundant number, since it is smaller than the sum of its proper divisors (1984715952).

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

1040116728 is a wasteful number, since it uses less digits than its factorization.

1040116728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884476 (or 884465 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 1040116728 is about 32250.8407332274. The cubic root of 1040116728 is about 1013.1973075531.

The spelling of 1040116728 in words is "one billion, forty million, one hundred sixteen thousand, seven hundred twenty-eight".