42664240000 has 80 divisors (see below), whose sum is σ = 106210158120. Its totient is φ = 17065664000.

The previous prime is 42664239991. The next prime is 42664240037. The reversal of 42664240000 is 4246624.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent 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 9 ways as a sum of consecutive naturals, for example, 186652 + ... + 346651.

Almost surely, 2^42664240000 is an apocalyptic number.

42664240000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42664240000 is an abundant number, since it is smaller than the sum of its proper divisors (63545918120).

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

42664240000 is an frugal number, since it uses more digits than its factorization.

42664240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533337 (or 533310 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 42664240000 its reverse (4246624), we get a palindrome (42668486624).

The spelling of 42664240000 in words is "forty-two billion, six hundred sixty-four million, two hundred forty thousand".