249898000842 has 48 divisors (see below), whose sum is σ = 618823645440. Its totient is φ = 71396129376.

The previous prime is 249898000841. The next prime is 249898000853. The reversal of 249898000842 is 248000898942.

249898000842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (249898000841) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4384584 + ... + 4441212.

It is an arithmetic number, because the mean of its divisors is an integer number (12892159280).

Almost surely, 2^249898000842 is an apocalyptic number.

249898000842 is an abundant number, since it is smaller than the sum of its proper divisors (368925644598).

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

249898000842 is a wasteful number, since it uses less digits than its factorization.

249898000842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91667 (or 91664 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 249898000842 in words is "two hundred forty-nine billion, eight hundred ninety-eight million, eight hundred forty-two", and thus it is an aban number.