249036800238 has 40 divisors (see below), whose sum is σ = 559269889200. Its totient is φ = 82827360000.

The previous prime is 249036800191. The next prime is 249036800251. The reversal of 249036800238 is 832008630942.

249036800238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 249036800193 and 249036800202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1639138 + ... + 1784613.

It is an arithmetic number, because the mean of its divisors is an integer number (13981747230).

Almost surely, 2^249036800238 is an apocalyptic number.

249036800238 is an abundant number, since it is smaller than the sum of its proper divisors (310233088962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249036800238 is a wasteful number, since it uses less digits than its factorization.

249036800238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424214 (or 3424205 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 249036800238 in words is "two hundred forty-nine billion, thirty-six million, eight hundred thousand, two hundred thirty-eight".