42046465 has 8 divisors (see below), whose sum is σ = 50574888. Its totient is φ = 33557760.

The previous prime is 42046421. The next prime is 42046471. The reversal of 42046465 is 56464024.

It can be written as a sum of positive squares in 4 ways, for example, as 7011904 + 35034561 = 2648^2 + 5919^2 .

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

It is not a de Polignac number, because 42046465 - 2⁹ = 42045953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7546 + ... + 11875.

It is an arithmetic number, because the mean of its divisors is an integer number (6321861).

Almost surely, 2^42046465 is an apocalyptic number.

It is an amenable number.

42046465 is a deficient number, since it is larger than the sum of its proper divisors (8528423).

42046465 is a wasteful number, since it uses less digits than its factorization.

42046465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19859.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 42046465 is about 6484.3245600448. The cubic root of 42046465 is about 347.7308026262.

The spelling of 42046465 in words is "forty-two million, forty-six thousand, four hundred sixty-five".