40104243245 has 16 divisors (see below), whose sum is σ = 52504873920. Its totient is φ = 29164070400.

The previous prime is 40104243241. The next prime is 40104243251. The reversal of 40104243245 is 54234240104.

It is not a de Polignac number, because 40104243245 - 2² = 40104243241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40104243241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739466 + ... + 791844.

It is an arithmetic number, because the mean of its divisors is an integer number (3281554620).

Almost surely, 2^40104243245 is an apocalyptic number.

It is an amenable number.

40104243245 is a deficient number, since it is larger than the sum of its proper divisors (12400630675).

40104243245 is a wasteful number, since it uses less digits than its factorization.

40104243245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66316.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 40104243245 its reverse (54234240104), we get a palindrome (94338483349).

The spelling of 40104243245 in words is "forty billion, one hundred four million, two hundred forty-three thousand, two hundred forty-five".