2001542342 has 8 divisors (see below), whose sum is σ = 3099162432. Its totient is φ = 968488200.

The previous prime is 2001542339. The next prime is 2001542353. The reversal of 2001542342 is 2432451002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16141409 + ... + 16141532.

It is an arithmetic number, because the mean of its divisors is an integer number (387395304).

Almost surely, 2^2001542342 is an apocalyptic number.

2001542342 is a deficient number, since it is larger than the sum of its proper divisors (1097620090).

2001542342 is a wasteful number, since it uses less digits than its factorization.

2001542342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32282974.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2001542342 is about 44738.6001345594. The cubic root of 2001542342 is about 1260.2448382024.

Adding to 2001542342 its reverse (2432451002), we get a palindrome (4433993344).

The spelling of 2001542342 in words is "two billion, one million, five hundred forty-two thousand, three hundred forty-two".