1040728355683 has 8 divisors (see below), whose sum is σ = 1041164829936. Its totient is φ = 1040291968800.

The previous prime is 1040728355651. The next prime is 1040728355687. The reversal of 1040728355683 is 3865538270401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1040728355683 - 2⁵ = 1040728355651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040728355683.

It is not an unprimeable number, because it can be changed into a prime (1040728355687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34117068 + ... + 34147558.

It is an arithmetic number, because the mean of its divisors is an integer number (130145603742).

Almost surely, 2^{1040728355683} is an apocalyptic number.

1040728355683 is a deficient number, since it is larger than the sum of its proper divisors (436474253).

1040728355683 is an equidigital number, since it uses as much as digits as its factorization.

1040728355683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43685.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 1040728355683 in words is "one trillion, forty billion, seven hundred twenty-eight million, three hundred fifty-five thousand, six hundred eighty-three".