42090215282 has 8 divisors (see below), whose sum is σ = 64841683116. Its totient is φ = 20476320912.

The previous prime is 42090215231. The next prime is 42090215327. The reversal of 42090215282 is 28251209024.

It is a happy number.

It is a Cunningham number, because it is equal to 205159²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 42090215281 + 1 = 205159^2 + 1^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284393273 + ... + 284393420.

Almost surely, 2^42090215282 is an apocalyptic number.

42090215282 is a deficient number, since it is larger than the sum of its proper divisors (22751467834).

42090215282 is a wasteful number, since it uses less digits than its factorization.

42090215282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568786732.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 42090215282 in words is "forty-two billion, ninety million, two hundred fifteen thousand, two hundred eighty-two".