40034213242 has 8 divisors (see below), whose sum is σ = 61184363796. Its totient is φ = 19639425312.

The previous prime is 40034213239. The next prime is 40034213243. The reversal of 40034213242 is 24231243004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31894745281 + 8139467961 = 178591^2 + 90219^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40034213243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188840523 + ... + 188840734.

Almost surely, 2^40034213242 is an apocalyptic number.

40034213242 is a deficient number, since it is larger than the sum of its proper divisors (21150150554).

40034213242 is a wasteful number, since it uses less digits than its factorization.

40034213242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377681312.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40034213242 its reverse (24231243004), we get a palindrome (64265456246).

The spelling of 40034213242 in words is "forty billion, thirty-four million, two hundred thirteen thousand, two hundred forty-two".