42620466642 has 32 divisors (see below), whose sum is σ = 91837271232. Its totient is φ = 13108369344.

The previous prime is 42620466631. The next prime is 42620466661. The reversal of 42620466642 is 24666402624.

42620466642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42620466594 and 42620466603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67933 + ... + 299759.

It is an arithmetic number, because the mean of its divisors is an integer number (2869914726).

Almost surely, 2^42620466642 is an apocalyptic number.

42620466642 is an abundant number, since it is smaller than the sum of its proper divisors (49216804590).

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

42620466642 is a wasteful number, since it uses less digits than its factorization.

42620466642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234202.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 42620466642 in words is "forty-two billion, six hundred twenty million, four hundred sixty-six thousand, six hundred forty-two".