40505526164 has 12 divisors (see below), whose sum is σ = 71942651424. Its totient is φ = 19950482904.

The previous prime is 40505526163. The next prime is 40505526169. The reversal of 40505526164 is 46162550504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40505526163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75569744 + ... + 75570279.

It is an arithmetic number, because the mean of its divisors is an integer number (5995220952).

Almost surely, 2^40505526164 is an apocalyptic number.

It is an amenable number.

40505526164 is a deficient number, since it is larger than the sum of its proper divisors (31437125260).

40505526164 is a wasteful number, since it uses less digits than its factorization.

40505526164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151140094 (or 151140092 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 40505526164 in words is "forty billion, five hundred five million, five hundred twenty-six thousand, one hundred sixty-four".