2379640342 has 4 divisors (see below), whose sum is σ = 3569460516. Its totient is φ = 1189820170.

The previous prime is 2379640267. The next prime is 2379640343. The reversal of 2379640342 is 2430469732.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2379640295 and 2379640304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2379640343) 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 as a sum of consecutive naturals, namely, 594910084 + ... + 594910087.

It is an arithmetic number, because the mean of its divisors is an integer number (892365129).

Almost surely, 2^2379640342 is an apocalyptic number.

2379640342 is a deficient number, since it is larger than the sum of its proper divisors (1189820174).

2379640342 is a wasteful number, since it uses less digits than its factorization.

2379640342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189820173.

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 2379640342 is about 48781.5573962128. The cubic root of 2379640342 is about 1335.0691921289.

The spelling of 2379640342 in words is "two billion, three hundred seventy-nine million, six hundred forty thousand, three hundred forty-two".