9242143856 has 80 divisors (see below), whose sum is σ = 20763075840. Its totient is φ = 3941084160.

The previous prime is 9242143831. The next prime is 9242143879. The reversal of 9242143856 is 6583412429.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 15 ways as a sum of consecutive naturals, for example, 331016 + ... + 357848.

It is an arithmetic number, because the mean of its divisors is an integer number (259538448).

Almost surely, 2^9242143856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9242143856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10381537920).

9242143856 is an abundant number, since it is smaller than the sum of its proper divisors (11520931984).

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

9242143856 is a wasteful number, since it uses less digits than its factorization.

9242143856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26974 (or 26968 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 9242143856 is about 96136.0694848713. The cubic root of 9242143856 is about 2098.5737750537.

The spelling of 9242143856 in words is "nine billion, two hundred forty-two million, one hundred forty-three thousand, eight hundred fifty-six".