42620686688 has 12 divisors (see below), whose sum is σ = 83909476980. Its totient is φ = 21310343328.

The previous prime is 42620686609. The next prime is 42620686699. The reversal of 42620686688 is 88668602624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665948198 + ... + 665948261.

It is an arithmetic number, because the mean of its divisors is an integer number (6992456415).

Almost surely, 2^42620686688 is an apocalyptic number.

It is an amenable number.

42620686688 is a deficient number, since it is larger than the sum of its proper divisors (41288790292).

42620686688 is a wasteful number, since it uses less digits than its factorization.

42620686688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331896469 (or 1331896461 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 42620686688 in words is "forty-two billion, six hundred twenty million, six hundred eighty-six thousand, six hundred eighty-eight".