4040185709828 has 6 divisors (see below), whose sum is σ = 7070324992206. Its totient is φ = 2020092854912.

The previous prime is 4040185709743. The next prime is 4040185709839. The reversal of 4040185709828 is 8289075810404.

It can be written as a sum of positive squares in only one way, i.e., 3097853445184 + 942332264644 = 1760072^2 + 970738^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505023213725 + ... + 505023213732.

It is an arithmetic number, because the mean of its divisors is an integer number (1178387498701).

Almost surely, 2^{4040185709828} is an apocalyptic number.

It is an amenable number.

4040185709828 is a deficient number, since it is larger than the sum of its proper divisors (3030139282378).

4040185709828 is a wasteful number, since it uses less digits than its factorization.

4040185709828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010046427461 (or 1010046427459 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 4040185709828 in words is "four trillion, forty billion, one hundred eighty-five million, seven hundred nine thousand, eight hundred twenty-eight".