940728541778 has 8 divisors (see below), whose sum is σ = 1425064028940. Its totient is φ = 465707198800.

The previous prime is 940728541777. The next prime is 940728541787. The reversal of 940728541778 is 877145827049.

It can be written as a sum of positive squares in 2 ways, for example, as 825941068969 + 114787472809 = 908813^2 + 338803^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 940728541778.

It is not an unprimeable number, because it can be changed into a prime (940728541777) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2328535793 + ... + 2328536196.

Almost surely, 2^940728541778 is an apocalyptic number.

940728541778 is a deficient number, since it is larger than the sum of its proper divisors (484335487162).

940728541778 is a wasteful number, since it uses less digits than its factorization.

940728541778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657072092.

The product of its (nonzero) digits is 31610880, while the sum is 62.

The spelling of 940728541778 in words is "nine hundred forty billion, seven hundred twenty-eight million, five hundred forty-one thousand, seven hundred seventy-eight".