40669175556 has 243 divisors, whose sum is σ = 114240702303. Its totient is φ = 12196759680.

The previous prime is 40669175479. The next prime is 40669175557. The reversal of 40669175556 is 65557196604.

The square root of 40669175556 is 201666.

It is a perfect power (a square), and thus also a powerful number.

40669175556 is a `hidden beast` number, since 406 + 69 + 175 + 5 + 5 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12202737156 + 28466438400 = 110466^2 + 168720^2 .

It is not an unprimeable number, because it can be changed into a prime (40669175557) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 666707766 + ... + 666707826.

Almost surely, 2^40669175556 is an apocalyptic number.

40669175556 is the 201666-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40669175556

40669175556 is an abundant number, since it is smaller than the sum of its proper divisors (73571526747).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40669175556 is a wasteful number, since it uses less digits than its factorization.

40669175556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

It can be divided in two parts, 40669 and 175556, that added together give a square (216225 = 465²).

The spelling of 40669175556 in words is "forty billion, six hundred sixty-nine million, one hundred seventy-five thousand, five hundred fifty-six".