38453249025 has 81 divisors (see below), whose sum is σ = 73259039451. Its totient is φ = 19276922880.

The previous prime is 38453249017. The next prime is 38453249057. The reversal of 38453249025 is 52094235483.

The square root of 38453249025 is 196095.

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

38453249025 is a `hidden beast` number, since 3 + 8 + 4 + 532 + 4 + 90 + 25 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 17540618481 + 20912630544 = 132441^2 + 144612^2 .

It is not a de Polignac number, because 38453249025 - 2³ = 38453249017 is a prime.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 50003841 + ... + 50004609.

Almost surely, 2^38453249025 is an apocalyptic number.

38453249025 is the 196095-th square number.

38453249025 is the 98048-th centered octagonal number.

It is an amenable number.

38453249025 is a deficient number, since it is larger than the sum of its proper divisors (34805790426).

38453249025 is an equidigital number, since it uses as much as digits as its factorization.

38453249025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 38453249025 in words is "thirty-eight billion, four hundred fifty-three million, two hundred forty-nine thousand, twenty-five".