8456231742 has 48 divisors (see below), whose sum is σ = 20352105360. Its totient is φ = 2332751232.

The previous prime is 8456231741. The next prime is 8456231747. The reversal of 8456231742 is 2471326548.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 8456231694 and 8456231703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8456231741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487383 + ... + 504434.

It is an arithmetic number, because the mean of its divisors is an integer number (424002195).

Almost surely, 2^8456231742 is an apocalyptic number.

8456231742 is an abundant number, since it is smaller than the sum of its proper divisors (11895873618).

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

8456231742 is a wasteful number, since it uses less digits than its factorization.

8456231742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991865 (or 991858 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 8456231742 is about 91957.7715149731. The cubic root of 8456231742 is about 2037.3186402967.

The spelling of 8456231742 in words is "eight billion, four hundred fifty-six million, two hundred thirty-one thousand, seven hundred forty-two".