42880465 has 8 divisors (see below), whose sum is σ = 52711848. Its totient is φ = 33467520.

The previous prime is 42880463. The next prime is 42880493. The reversal of 42880465 is 56408824.

42880465 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 6290064 + 36590401 = 2508^2 + 6049^2 .

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

It is not a de Polignac number, because 42880465 - 2¹ = 42880463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42880463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104382 + ... + 104791.

It is an arithmetic number, because the mean of its divisors is an integer number (6588981).

Almost surely, 2^42880465 is an apocalyptic number.

It is an amenable number.

42880465 is a deficient number, since it is larger than the sum of its proper divisors (9831383).

42880465 is a wasteful number, since it uses less digits than its factorization.

42880465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209219.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 42880465 is about 6548.3177228965. The cubic root of 42880465 is about 350.0148701165.

The spelling of 42880465 in words is "forty-two million, eight hundred eighty thousand, four hundred sixty-five".