40523264164 has 6 divisors (see below), whose sum is σ = 70915712294. Its totient is φ = 20261632080.

The previous prime is 40523264153. The next prime is 40523264167. The reversal of 40523264164 is 46146232504.

It can be written as a sum of positive squares in only one way, i.e., 27808897600 + 12714366564 = 166760^2 + 112758^2 .

It is not an unprimeable number, because it can be changed into a prime (40523264167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065408017 + ... + 5065408024.

Almost surely, 2^40523264164 is an apocalyptic number.

It is an amenable number.

40523264164 is a deficient number, since it is larger than the sum of its proper divisors (30392448130).

40523264164 is a wasteful number, since it uses less digits than its factorization.

40523264164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10130816045 (or 10130816043 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 40523264164 its reverse (46146232504), we get a palindrome (86669496668).

The spelling of 40523264164 in words is "forty billion, five hundred twenty-three million, two hundred sixty-four thousand, one hundred sixty-four".