40234034045 has 8 divisors (see below), whose sum is σ = 51120890424. Its totient is φ = 30293860864.

The previous prime is 40234034033. The next prime is 40234034047. The reversal of 40234034045 is 54043043204.

It can be written as a sum of positive squares in 4 ways, for example, as 11655793444 + 28578240601 = 107962^2 + 169051^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40234034045 - 2⁶ = 40234033981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40234033999 and 40234034017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234034047) 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 7 ways as a sum of consecutive naturals, for example, 236670704 + ... + 236670873.

It is an arithmetic number, because the mean of its divisors is an integer number (6390111303).

Almost surely, 2^40234034045 is an apocalyptic number.

It is an amenable number.

40234034045 is a deficient number, since it is larger than the sum of its proper divisors (10886856379).

40234034045 is a wasteful number, since it uses less digits than its factorization.

40234034045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473341599.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 40234034045 its reverse (54043043204), we get a palindrome (94277077249).

The spelling of 40234034045 in words is "forty billion, two hundred thirty-four million, thirty-four thousand, forty-five".