208452042 has 40 divisors (see below), whose sum is σ = 468082692. Its totient is φ = 69336000.

The previous prime is 208452037. The next prime is 208452073. The reversal of 208452042 is 240254802.

It is a happy number.

208452042 is a `hidden beast` number, since 20 + 84 + 520 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 165405321 + 43046721 = 12861^2 + 6561^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 208451997 and 208452015.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 96292 + ... + 98432.

Almost surely, 2^208452042 is an apocalyptic number.

208452042 is an abundant number, since it is smaller than the sum of its proper divisors (259630650).

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

208452042 is a wasteful number, since it uses less digits than its factorization.

208452042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756 (or 2747 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 208452042 is about 14437.8683329638. The cubic root of 208452042 is about 592.9281251191.

The spelling of 208452042 in words is "two hundred eight million, four hundred fifty-two thousand, forty-two".