42004166465 has 8 divisors (see below), whose sum is σ = 51634390248. Its totient is φ = 32783739520.

The previous prime is 42004166453. The next prime is 42004166467. The reversal of 42004166465 is 56466140024.

42004166465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 262407601 + 41741758864 = 16199^2 + 204308^2 .

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

It is not a de Polignac number, because 42004166465 - 2¹⁴ = 42004150081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42004166467) 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, 102448982 + ... + 102449391.

It is an arithmetic number, because the mean of its divisors is an integer number (6454298781).

Almost surely, 2^42004166465 is an apocalyptic number.

It is an amenable number.

42004166465 is a deficient number, since it is larger than the sum of its proper divisors (9630223783).

42004166465 is a wasteful number, since it uses less digits than its factorization.

42004166465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204898419.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 42004166465 in words is "forty-two billion, four million, one hundred sixty-six thousand, four hundred sixty-five".