42088284 has 36 divisors (see below), whose sum is σ = 121589104. Its totient is φ = 12025152.

The previous prime is 42088283. The next prime is 42088289. The reversal of 42088284 is 48288024.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42088283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83257 + ... + 83760.

Almost surely, 2^42088284 is an apocalyptic number.

It is an amenable number.

42088284 is an abundant number, since it is smaller than the sum of its proper divisors (79500820).

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

42088284 is a wasteful number, since it uses less digits than its factorization.

42088284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167034 (or 167029 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 42088284 is about 6487.5483813225. The cubic root of 42088284 is about 347.8460476380.

The spelling of 42088284 in words is "forty-two million, eighty-eight thousand, two hundred eighty-four".