42485505 has 32 divisors (see below), whose sum is σ = 70118400. Its totient is φ = 21954240.

The previous prime is 42485497. The next prime is 42485537. The reversal of 42485505 is 50558424.

It is not a de Polignac number, because 42485505 - 2³ = 42485497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128190 + ... + 128520.

It is an arithmetic number, because the mean of its divisors is an integer number (2191200).

Almost surely, 2^42485505 is an apocalyptic number.

It is an amenable number.

42485505 is a deficient number, since it is larger than the sum of its proper divisors (27632895).

42485505 is a wasteful number, since it uses less digits than its factorization.

42485505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 42485505 is about 6518.0905946450. The cubic root of 42485505 is about 348.9369239844.

Subtracting from 42485505 its product of nonzero digits (32000), we obtain a triangular number (42453505 = T₉₂₁₄).

The spelling of 42485505 in words is "forty-two million, four hundred eighty-five thousand, five hundred five".