36420681852025 has 27 divisors (see below), whose sum is σ = 45319003862989. Its totient is φ = 29035375496000.

The previous prime is 36420681852019. The next prime is 36420681852067. The reversal of 36420681852025 is 52025818602463.

The square root of 36420681852025 is 6034955.

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

It can be written as a sum of positive squares in 4 ways, for example, as 3753645289 + 36416928206736 = 61267^2 + 6034644^2 .

It is not a de Polignac number, because 36420681852025 - 2²⁹ = 36420144981113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9384353085 + ... + 9384356965.

Almost surely, 2^{36420681852025} is an apocalyptic number.

36420681852025 is the 6034955-th square number.

36420681852025 is the 3017478-th centered octagonal number.

It is an amenable number.

36420681852025 is a deficient number, since it is larger than the sum of its proper divisors (8898322010964).

36420681852025 is an frugal number, since it uses more digits than its factorization.

36420681852025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8394 (or 4197 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 36420681852025 in words is "thirty-six trillion, four hundred twenty billion, six hundred eighty-one million, eight hundred fifty-two thousand, twenty-five".