40041315052145 has 16 divisors (see below), whose sum is σ = 52509844097280. Its totient is φ = 29069777193600.

The previous prime is 40041315052117. The next prime is 40041315052157. The reversal of 40041315052145 is 54125051314004.

It is a happy number.

It is not a de Polignac number, because 40041315052145 - 2²⁰ = 40041314003569 is a prime.

It is a super-2 number, since 2×40041315052145² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639708521 + ... + 639771110.

It is an arithmetic number, because the mean of its divisors is an integer number (3281865256080).

Almost surely, 2^{40041315052145} is an apocalyptic number.

It is an amenable number.

40041315052145 is a deficient number, since it is larger than the sum of its proper divisors (12468529045135).

40041315052145 is a wasteful number, since it uses less digits than its factorization.

40041315052145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279480216.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 40041315052145 its reverse (54125051314004), we get a palindrome (94166366366149).

The spelling of 40041315052145 in words is "forty trillion, forty-one billion, three hundred fifteen million, fifty-two thousand, one hundred forty-five".