40235120642 has 8 divisors (see below), whose sum is σ = 60355852176. Its totient is φ = 20116503252.

The previous prime is 40235120621. The next prime is 40235120657. The reversal of 40235120642 is 24602153204.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480068 + ... + 557615.

It is an arithmetic number, because the mean of its divisors is an integer number (7544481522).

Almost surely, 2^40235120642 is an apocalyptic number.

40235120642 is a deficient number, since it is larger than the sum of its proper divisors (20120731534).

40235120642 is a wasteful number, since it uses less digits than its factorization.

40235120642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057072.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 40235120642 its reverse (24602153204), we get a palindrome (64837273846).

The spelling of 40235120642 in words is "forty billion, two hundred thirty-five million, one hundred twenty thousand, six hundred forty-two".