249282689442 has 16 divisors (see below), whose sum is σ = 499021536000. Its totient is φ = 83018203632.

The previous prime is 249282689437. The next prime is 249282689473. The reversal of 249282689442 is 244986282942.

249282689442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18999442 + ... + 19012557.

It is an arithmetic number, because the mean of its divisors is an integer number (31188846000).

Almost surely, 2^249282689442 is an apocalyptic number.

249282689442 is an abundant number, since it is smaller than the sum of its proper divisors (249738846558).

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

249282689442 is a wasteful number, since it uses less digits than its factorization.

249282689442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38013097.

The product of its digits is 31850496, while the sum is 60.

The spelling of 249282689442 in words is "two hundred forty-nine billion, two hundred eighty-two million, six hundred eighty-nine thousand, four hundred forty-two".