40428580772836 has 12 divisors (see below), whose sum is σ = 70776288193212. Its totient is φ = 20206784146208.

The previous prime is 40428580772777. The next prime is 40428580772857. The reversal of 40428580772836 is 63827708582404.

It can be written as a sum of positive squares in 2 ways, for example, as 22316270480100 + 18112310292736 = 4724010^2 + 4255856^2 .

It is an unprimeable number.

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, 1876547935 + ... + 1876569478.

It is an arithmetic number, because the mean of its divisors is an integer number (5898024016101).

Almost surely, 2^{40428580772836} is an apocalyptic number.

It is an amenable number.

40428580772836 is a deficient number, since it is larger than the sum of its proper divisors (30347707420376).

40428580772836 is a wasteful number, since it uses less digits than its factorization.

40428580772836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753120110 (or 3753120108 counting only the distinct ones).

The product of its (nonzero) digits is 144506880, while the sum is 64.

The spelling of 40428580772836 in words is "forty trillion, four hundred twenty-eight billion, five hundred eighty million, seven hundred seventy-two thousand, eight hundred thirty-six".