40561117072235 has 16 divisors (see below), whose sum is σ = 48868229001312. Its totient is φ = 32318973120000.

The previous prime is 40561117072187. The next prime is 40561117072249. The reversal of 40561117072235 is 53227071116504.

It is not a de Polignac number, because 40561117072235 - 2⁶ = 40561117072171 is a prime.

It is a Duffinian number.

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, 68803025 + ... + 69390045.

It is an arithmetic number, because the mean of its divisors is an integer number (3054264312582).

Almost surely, 2^{40561117072235} is an apocalyptic number.

40561117072235 is a deficient number, since it is larger than the sum of its proper divisors (8307111929077).

40561117072235 is a wasteful number, since it uses less digits than its factorization.

40561117072235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642334.

The product of its (nonzero) digits is 352800, while the sum is 44.

Adding to 40561117072235 its reverse (53227071116504), we get a palindrome (93788188188739).

The spelling of 40561117072235 in words is "forty trillion, five hundred sixty-one billion, one hundred seventeen million, seventy-two thousand, two hundred thirty-five".