40664432512132 has 48 divisors (see below), whose sum is σ = 84205264651200. Its totient is φ = 16939251423360.

The previous prime is 40664432512111. The next prime is 40664432512153. The reversal of 40664432512132 is 23121523446604.

It is an interprime number because it is at equal distance from previous prime (40664432512111) and next prime (40664432512153).

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, 255645907 + ... + 255804922.

It is an arithmetic number, because the mean of its divisors is an integer number (1754276346900).

Almost surely, 2^{40664432512132} is an apocalyptic number.

It is an amenable number.

40664432512132 is an abundant number, since it is smaller than the sum of its proper divisors (43540832139068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40664432512132 is a wasteful number, since it uses less digits than its factorization.

40664432512132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511450996 (or 511450994 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 40664432512132 its reverse (23121523446604), we get a palindrome (63785955958736).

The spelling of 40664432512132 in words is "forty trillion, six hundred sixty-four billion, four hundred thirty-two million, five hundred twelve thousand, one hundred thirty-two".