39396295225 has 81 divisors (see below), whose sum is σ = 58465949997. Its totient is φ = 26257183680.

The previous prime is 39396295219. The next prime is 39396295241. The reversal of 39396295225 is 52259269393.

The square root of 39396295225 is 198485.

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 296769529 + 39099525696 = 17227^2 + 197736^2 .

It is not a de Polignac number, because 39396295225 - 2³ = 39396295217 is a prime.

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, 368189622 + ... + 368189728.

Almost surely, 2^39396295225 is an apocalyptic number.

39396295225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

39396295225 is the 198485-th square number.

39396295225 is the 99243-rd centered octagonal number.

It is an amenable number.

39396295225 is a deficient number, since it is larger than the sum of its proper divisors (19069654772).

39396295225 is an equidigital number, since it uses as much as digits as its factorization.

39396295225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 172 counting only the distinct ones).

The product of its digits is 7873200, while the sum is 55.

The spelling of 39396295225 in words is "thirty-nine billion, three hundred ninety-six million, two hundred ninety-five thousand, two hundred twenty-five".