42763718646 has 96 divisors (see below), whose sum is σ = 107374924800. Its totient is φ = 12163919040.

The previous prime is 42763718633. The next prime is 42763718651. The reversal of 42763718646 is 64681736724.

42763718646 is a `hidden beast` number, since 427 + 6 + 37 + 186 + 4 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42763718592 and 42763718601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 357915 + ... + 462201.

It is an arithmetic number, because the mean of its divisors is an integer number (1118488800).

Almost surely, 2^42763718646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42763718646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53687462400).

42763718646 is an abundant number, since it is smaller than the sum of its proper divisors (64611206154).

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

42763718646 is a wasteful number, since it uses less digits than its factorization.

42763718646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104434 (or 104431 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 42763718646 in words is "forty-two billion, seven hundred sixty-three million, seven hundred eighteen thousand, six hundred forty-six".