249887880030 has 16 divisors (see below), whose sum is σ = 599730912144. Its totient is φ = 66636768000.

The previous prime is 249887880029. The next prime is 249887880043. The reversal of 249887880030 is 30088788942.

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 7 ways as a sum of consecutive naturals, for example, 4164797971 + ... + 4164798030.

It is an arithmetic number, because the mean of its divisors is an integer number (37483182009).

Almost surely, 2^249887880030 is an apocalyptic number.

249887880030 is an abundant number, since it is smaller than the sum of its proper divisors (349843032114).

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

249887880030 is a wasteful number, since it uses less digits than its factorization.

249887880030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8329596011.

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 249887880030 in words is "two hundred forty-nine billion, eight hundred eighty-seven million, eight hundred eighty thousand, thirty".