42321263796 has 144 divisors (see below), whose sum is σ = 127049395200. Its totient is φ = 11622030336.

The previous prime is 42321263771. The next prime is 42321263801. The reversal of 42321263796 is 69736212324.

42321263796 is a `hidden beast` number, since 4 + 2 + 3 + 2 + 1 + 2 + 637 + 9 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

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 47 ways as a sum of consecutive naturals, for example, 1616700 + ... + 1642668.

Almost surely, 2^42321263796 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 42321263796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63524697600).

42321263796 is an abundant number, since it is smaller than the sum of its proper divisors (84728131404).

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

42321263796 is a wasteful number, since it uses less digits than its factorization.

42321263796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26238 (or 26233 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

It can be divided in two parts, 4232 and 1263796, that added together give a triangular number (1268028 = T₁₅₉₂).

The spelling of 42321263796 in words is "forty-two billion, three hundred twenty-one million, two hundred sixty-three thousand, seven hundred ninety-six".