40024655161 has 4 divisors (see below), whose sum is σ = 40025776372. Its totient is φ = 40023533952.

The previous prime is 40024655147. The next prime is 40024655197. The reversal of 40024655161 is 16155642004.

40024655161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38136231225 + 1888423936 = 195285^2 + 43456^2 .

It is a cyclic number.

It is not a de Polignac number, because 40024655161 - 2²³ = 40016266553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40024655261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505236 + ... + 579061.

It is an arithmetic number, because the mean of its divisors is an integer number (10006444093).

Almost surely, 2^40024655161 is an apocalyptic number.

It is an amenable number.

40024655161 is a deficient number, since it is larger than the sum of its proper divisors (1121211).

40024655161 is a wasteful number, since it uses less digits than its factorization.

40024655161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121210.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 40024655161 in words is "forty billion, twenty-four million, six hundred fifty-five thousand, one hundred sixty-one".