281224106742 has 8 divisors (see below), whose sum is σ = 562448213496. Its totient is φ = 93741368912.

The previous prime is 281224106731. The next prime is 281224106767. The reversal of 281224106742 is 247601422182.

It is a sphenic number, since it is the product of 3 distinct primes.

281224106742 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 281224106742.

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 3 ways as a sum of consecutive naturals, for example, 23435342223 + ... + 23435342234.

It is an arithmetic number, because the mean of its divisors is an integer number (70306026687).

Almost surely, 2^281224106742 is an apocalyptic number.

281224106742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

281224106742 is a wasteful number, since it uses less digits than its factorization.

281224106742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46870684462.

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 281224106742 in words is "two hundred eighty-one billion, two hundred twenty-four million, one hundred six thousand, seven hundred forty-two".