3815398242 has 40 divisors (see below), whose sum is σ = 8731236096. Its totient is φ = 1244737368.

The previous prime is 3815398231. The next prime is 3815398243. The reversal of 3815398242 is 2428935183.

3815398242 is a `hidden beast` number, since 3 + 8 + 15 + 398 + 242 = 666.

It is not an unprimeable number, because it can be changed into a prime (3815398243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 242938 + ... + 258165.

Almost surely, 2^3815398242 is an apocalyptic number.

3815398242 is an abundant number, since it is smaller than the sum of its proper divisors (4915837854).

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

3815398242 is a wasteful number, since it uses less digits than its factorization.

3815398242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501164 (or 501155 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 3815398242 is about 61768.9099952395. The cubic root of 3815398242 is about 1562.5957007794.

The spelling of 3815398242 in words is "three billion, eight hundred fifteen million, three hundred ninety-eight thousand, two hundred forty-two".