42440654067 has 32 divisors (see below), whose sum is σ = 69660180480. Its totient is φ = 22449065760.

The previous prime is 42440654063. The next prime is 42440654077. The reversal of 42440654067 is 76045604424.

It is not a de Polignac number, because 42440654067 - 2² = 42440654063 is a prime.

It is a super-3 number, since 3×42440654067³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42440654063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1402267 + ... + 1432212.

It is an arithmetic number, because the mean of its divisors is an integer number (2176880640).

Almost surely, 2^42440654067 is an apocalyptic number.

42440654067 is a deficient number, since it is larger than the sum of its proper divisors (27219526413).

42440654067 is a wasteful number, since it uses less digits than its factorization.

42440654067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834543.

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 42440654067 in words is "forty-two billion, four hundred forty million, six hundred fifty-four thousand, sixty-seven".