42643817804632 has 32 divisors (see below), whose sum is σ = 91018425358080. Its totient is φ = 18540790348960.

The previous prime is 42643817804591. The next prime is 42643817804639. The reversal of 42643817804632 is 23640871834624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42643817804639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10534537948 + ... + 10534541995.

It is an arithmetic number, because the mean of its divisors is an integer number (2844325792440).

Almost surely, 2^{42643817804632} is an apocalyptic number.

It is an amenable number.

42643817804632 is an abundant number, since it is smaller than the sum of its proper divisors (48374607553448).

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

42643817804632 is a wasteful number, since it uses less digits than its factorization.

42643817804632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21069079983 (or 21069079979 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 58.

The spelling of 42643817804632 in words is "forty-two trillion, six hundred forty-three billion, eight hundred seventeen million, eight hundred four thousand, six hundred thirty-two".