42881807622642 has 16 divisors (see below), whose sum is σ = 85763974776480. Its totient is φ = 14293875952352.

The previous prime is 42881807622631. The next prime is 42881807622673. The reversal of 42881807622642 is 24622670818824.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 13417392 + ... + 16303067.

It is an arithmetic number, because the mean of its divisors is an integer number (5360248423530).

Almost surely, 2^{42881807622642} is an apocalyptic number.

42881807622642 is an abundant number, since it is smaller than the sum of its proper divisors (42882167153838).

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

42881807622642 is a wasteful number, since it uses less digits than its factorization.

42881807622642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29960937.

The product of its (nonzero) digits is 33030144, while the sum is 60.

The spelling of 42881807622642 in words is "forty-two trillion, eight hundred eighty-one billion, eight hundred seven million, six hundred twenty-two thousand, six hundred forty-two".