4255240633645 has 16 divisors (see below), whose sum is σ = 5108815607040. Its totient is φ = 3402508334400.

The previous prime is 4255240633583. The next prime is 4255240633661. The reversal of 4255240633645 is 5463360425524.

It is not a de Polignac number, because 4255240633645 - 2³¹ = 4253093149997 is a prime.

It is a super-3 number, since 3×4255240633645³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110017660 + ... + 110056330.

It is an arithmetic number, because the mean of its divisors is an integer number (319300975440).

Almost surely, 2^{4255240633645} is an apocalyptic number.

It is an amenable number.

4255240633645 is a deficient number, since it is larger than the sum of its proper divisors (853574973395).

4255240633645 is a wasteful number, since it uses less digits than its factorization.

4255240633645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48996.

The product of its (nonzero) digits is 10368000, while the sum is 49.

The spelling of 4255240633645 in words is "four trillion, two hundred fifty-five billion, two hundred forty million, six hundred thirty-three thousand, six hundred forty-five".