42664044660 has 24 divisors (see below), whose sum is σ = 119459325216. Its totient is φ = 11377078560.

The previous prime is 42664044653. The next prime is 42664044667. The reversal of 42664044660 is 6644046624.

It is an interprime number because it is at equal distance from previous prime (42664044653) and next prime (42664044667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42664044667) 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, 355533646 + ... + 355533765.

It is an arithmetic number, because the mean of its divisors is an integer number (4977471884).

Almost surely, 2^42664044660 is an apocalyptic number.

It is an amenable number.

42664044660 is an abundant number, since it is smaller than the sum of its proper divisors (76795280556).

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

42664044660 is a wasteful number, since it uses less digits than its factorization.

42664044660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711067423 (or 711067421 counting only the distinct ones).

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

The spelling of 42664044660 in words is "forty-two billion, six hundred sixty-four million, forty-four thousand, six hundred sixty".