4040961028 has 18 divisors (see below), whose sum is σ = 7657502874. Its totient is φ = 1865058624.

The previous prime is 4040961019. The next prime is 4040961049. The reversal of 4040961028 is 8201690404.

It can be written as a sum of positive squares in 3 ways, for example, as 16581184 + 4024379844 = 4072^2 + 63438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4040960984 and 4040961002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2988201 + ... + 2989552.

Almost surely, 2^4040961028 is an apocalyptic number.

It is an amenable number.

4040961028 is a deficient number, since it is larger than the sum of its proper divisors (3616541846).

4040961028 is a wasteful number, since it uses less digits than its factorization.

4040961028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977783 (or 5977768 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 4040961028 is about 63568.5537667800. The cubic root of 4040961028 is about 1592.8011258970.

The spelling of 4040961028 in words is "four billion, forty million, nine hundred sixty-one thousand, twenty-eight".