42440265388518 has 8 divisors (see below), whose sum is σ = 84880530777048. Its totient is φ = 14146755129504.

The previous prime is 42440265388471. The next prime is 42440265388523. The reversal of 42440265388518 is 81588356204424.

42440265388518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

42440265388518 is an admirable number.

It is a super-2 number, since 2×42440265388518² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3536688782371 + ... + 3536688782382.

It is an arithmetic number, because the mean of its divisors is an integer number (10610066347131).

Almost surely, 2^{42440265388518} is an apocalyptic number.

42440265388518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42440265388518 is a wasteful number, since it uses less digits than its factorization.

42440265388518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073377564758.

The product of its (nonzero) digits is 58982400, while the sum is 60.

The spelling of 42440265388518 in words is "forty-two trillion, four hundred forty billion, two hundred sixty-five million, three hundred eighty-eight thousand, five hundred eighteen".