403000242 has 16 divisors (see below), whose sum is σ = 810505440. Its totient is φ = 133582592.

The previous prime is 403000163. The next prime is 403000253. The reversal of 403000242 is 242000304.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186543 + ... + 188690.

It is an arithmetic number, because the mean of its divisors is an integer number (50656590).

Almost surely, 2^403000242 is an apocalyptic number.

403000242 is an abundant number, since it is smaller than the sum of its proper divisors (407505198).

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

403000242 is a wasteful number, since it uses less digits than its factorization.

403000242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375417.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 403000242 is about 20074.8659273232. The cubic root of 403000242 is about 738.6438773812.

Adding to 403000242 its reverse (242000304), we get a palindrome (645000546).

The spelling of 403000242 in words is "four hundred three million, two hundred forty-two", and thus it is an aban number.