4255623638025 has 48 divisors (see below), whose sum is σ = 7418644224000. Its totient is φ = 2146619741760.

The previous prime is 4255623638011. The next prime is 4255623638027. The reversal of 4255623638025 is 5208363265524.

It is not a de Polignac number, because 4255623638025 - 2¹⁵ = 4255623605257 is a prime.

It is a super-2 number, since 2×4255623638025² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4255623638027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1639249 + ... + 3346398.

It is an arithmetic number, because the mean of its divisors is an integer number (154555088000).

Almost surely, 2^{4255623638025} is an apocalyptic number.

It is an amenable number.

4255623638025 is a deficient number, since it is larger than the sum of its proper divisors (3163020585975).

4255623638025 is a wasteful number, since it uses less digits than its factorization.

4255623638025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986278 (or 4986273 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 51.

The spelling of 4255623638025 in words is "four trillion, two hundred fifty-five billion, six hundred twenty-three million, six hundred thirty-eight thousand, twenty-five".