34040143642 has 8 divisors (see below), whose sum is σ = 51071278932. Its totient is φ = 17016384000.

The previous prime is 34040143639. The next prime is 34040143663. The reversal of 34040143642 is 24634104043.

It can be written as a sum of positive squares in 2 ways, for example, as 32942613001 + 1097530641 = 181501^2 + 33129^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1832359 + ... + 1850842.

Almost surely, 2^34040143642 is an apocalyptic number.

34040143642 is a deficient number, since it is larger than the sum of its proper divisors (17031135290).

34040143642 is a wasteful number, since it uses less digits than its factorization.

34040143642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687824.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 34040143642 its reverse (24634104043), we get a palindrome (58674247685).

The spelling of 34040143642 in words is "thirty-four billion, forty million, one hundred forty-three thousand, six hundred forty-two".