40668808896 has 42 divisors (see below), whose sum is σ = 116569799372. Its totient is φ = 13556269440.

The previous prime is 40668808813. The next prime is 40668808897. The reversal of 40668808896 is 69880886604.

40668808896 is a `hidden beast` number, since 406 + 68 + 8 + 0 + 88 + 96 = 666.

It is not an unprimeable number, because it can be changed into a prime (40668808897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35302210 + ... + 35303361.

Almost surely, 2^40668808896 is an apocalyptic number.

It is an amenable number.

40668808896 is an abundant number, since it is smaller than the sum of its proper divisors (75900990476).

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

40668808896 is a wasteful number, since it uses less digits than its factorization.

40668808896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70605589 (or 70605576 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 63.

The spelling of 40668808896 in words is "forty billion, six hundred sixty-eight million, eight hundred eight thousand, eight hundred ninety-six".