42635516 has 24 divisors (see below), whose sum is σ = 93023616. Its totient is φ = 16611120.

The previous prime is 42635513. The next prime is 42635519. The reversal of 42635516 is 61553624.

It is an interprime number because it is at equal distance from previous prime (42635513) and next prime (42635519).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42635513) 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, 68906 + ... + 69521.

It is an arithmetic number, because the mean of its divisors is an integer number (3875984).

Almost surely, 2^42635516 is an apocalyptic number.

It is an amenable number.

42635516 is an abundant number, since it is smaller than the sum of its proper divisors (50388100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42635516 is a wasteful number, since it uses less digits than its factorization.

42635516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138449 (or 138447 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 42635516 is about 6529.5877358375. The cubic root of 42635516 is about 349.3471257722.

It can be divided in two parts, 4263 and 5516, that added together give a palindrome (9779).

The spelling of 42635516 in words is "forty-two million, six hundred thirty-five thousand, five hundred sixteen".