215382042 has 12 divisors (see below), whose sum is σ = 466661130. Its totient is φ = 71794008.

The previous prime is 215382023. The next prime is 215382067. The reversal of 215382042 is 240283512.

215382042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 190191681 + 25190361 = 13791^2 + 5019^2 .

It is a junction number, because it is equal to n+sod(n) for n = 215381997 and 215382015.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5982817 + ... + 5982852.

Almost surely, 2^215382042 is an apocalyptic number.

215382042 is an abundant number, since it is smaller than the sum of its proper divisors (251279088).

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

215382042 is a wasteful number, since it uses less digits than its factorization.

215382042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11965677 (or 11965674 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 215382042 is about 14675.9000405427. The cubic root of 215382042 is about 599.4272701415.

The spelling of 215382042 in words is "two hundred fifteen million, three hundred eighty-two thousand, forty-two".