40666884852 has 48 divisors (see below), whose sum is σ = 106313441472. Its totient is φ = 11990234880.

The previous prime is 40666884829. The next prime is 40666884893. The reversal of 40666884852 is 25848866604.

It is a junction number, because it is equal to n+sod(n) for n = 40666884792 and 40666884801.

It is a congruent number.

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, 4158393 + ... + 4168160.

It is an arithmetic number, because the mean of its divisors is an integer number (2214863364).

Almost surely, 2^40666884852 is an apocalyptic number.

It is an amenable number.

40666884852 is an abundant number, since it is smaller than the sum of its proper divisors (65646556620).

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

40666884852 is a wasteful number, since it uses less digits than its factorization.

40666884852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326608 (or 8326606 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 57.

The spelling of 40666884852 in words is "forty billion, six hundred sixty-six million, eight hundred eighty-four thousand, eight hundred fifty-two".