42488565 has 32 divisors (see below), whose sum is σ = 78402816. Its totient is φ = 19246080.

The previous prime is 42488561. The next prime is 42488591. The reversal of 42488565 is 56588424.

It is not a de Polignac number, because 42488565 - 2² = 42488561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42488561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10075 + ... + 13655.

It is an arithmetic number, because the mean of its divisors is an integer number (2450088).

Almost surely, 2^42488565 is an apocalyptic number.

It is an amenable number.

42488565 is a deficient number, since it is larger than the sum of its proper divisors (35914251).

42488565 is a wasteful number, since it uses less digits than its factorization.

42488565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709.

The product of its digits is 307200, while the sum is 42.

The square root of 42488565 is about 6518.3253217372. The cubic root of 42488565 is about 348.9453011266.

The spelling of 42488565 in words is "forty-two million, four hundred eighty-eight thousand, five hundred sixty-five".