38218295025 has 27 divisors (see below), whose sum is σ = 68458465569. Its totient is φ = 20381526720.

The previous prime is 38218294999. The next prime is 38218295029. The reversal of 38218295025 is 52059281283.

The square root of 38218295025 is 195495.

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

38218295025 is a `hidden beast` number, since 382 + 182 + 95 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10556001 + 38207739024 = 3249^2 + 195468^2 .

It is not a de Polignac number, because 38218295025 - 2⁷ = 38218294897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (38218295029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2925909 + ... + 2938941.

Almost surely, 2^38218295025 is an apocalyptic number.

38218295025 is the 195495-th square number.

38218295025 is the 97748-th centered octagonal number.

It is an amenable number.

38218295025 is a deficient number, since it is larger than the sum of its proper divisors (30240170544).

38218295025 is an frugal number, since it uses more digits than its factorization.

38218295025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26082 (or 13041 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 38218295025 in words is "thirty-eight billion, two hundred eighteen million, two hundred ninety-five thousand, twenty-five".