40665012332 has 48 divisors (see below), whose sum is σ = 81664638720. Its totient is φ = 17356272192.

The previous prime is 40665012217. The next prime is 40665012337. The reversal of 40665012332 is 23321056604.

It is not an unprimeable number, because it can be changed into a prime (40665012337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15292019 + ... + 15294677.

It is an arithmetic number, because the mean of its divisors is an integer number (1701346640).

Almost surely, 2^40665012332 is an apocalyptic number.

It is an amenable number.

40665012332 is an abundant number, since it is smaller than the sum of its proper divisors (40999626388).

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

40665012332 is a wasteful number, since it uses less digits than its factorization.

40665012332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710 (or 4708 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 40665012332 its reverse (23321056604), we get a palindrome (63986068936).

The spelling of 40665012332 in words is "forty billion, six hundred sixty-five million, twelve thousand, three hundred thirty-two".