40164024561 has 8 divisors (see below), whose sum is σ = 54459694560. Its totient is φ = 26322185472.

The previous prime is 40164024559. The next prime is 40164024653. The reversal of 40164024561 is 16542046104.

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

It is not a de Polignac number, because 40164024561 - 2¹ = 40164024559 is a prime.

It is a super-2 number, since 2×40164024561² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40164024161) 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, 113457520 + ... + 113457873.

It is an arithmetic number, because the mean of its divisors is an integer number (6807461820).

Almost surely, 2^40164024561 is an apocalyptic number.

It is an amenable number.

40164024561 is a deficient number, since it is larger than the sum of its proper divisors (14295669999).

40164024561 is a wasteful number, since it uses less digits than its factorization.

40164024561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226915455.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 40164024561 in words is "forty billion, one hundred sixty-four million, twenty-four thousand, five hundred sixty-one".