42066462621 has 8 divisors (see below), whose sum is σ = 56093105824. Its totient is φ = 28042063920.

The previous prime is 42066462563. The next prime is 42066462623. The reversal of 42066462621 is 12626466024.

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

It is not a de Polignac number, because 42066462621 - 2²² = 42062268317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42066462621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42066462623) 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, 516895 + ... + 592716.

It is an arithmetic number, because the mean of its divisors is an integer number (7011638228).

Almost surely, 2^42066462621 is an apocalyptic number.

It is an amenable number.

42066462621 is a deficient number, since it is larger than the sum of its proper divisors (14026643203).

42066462621 is a wasteful number, since it uses less digits than its factorization.

42066462621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122251.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 42066462621 in words is "forty-two billion, sixty-six million, four hundred sixty-two thousand, six hundred twenty-one".