40324347666 has 32 divisors (see below), whose sum is σ = 89875606080. Its totient is φ = 13401557568.

The previous prime is 40324347641. The next prime is 40324347673. The reversal of 40324347666 is 66674342304.

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, 1089736 + ... + 1126131.

It is an arithmetic number, because the mean of its divisors is an integer number (2808612690).

Almost surely, 2^40324347666 is an apocalyptic number.

40324347666 is an abundant number, since it is smaller than the sum of its proper divisors (49551258414).

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

40324347666 is a wasteful number, since it uses less digits than its factorization.

40324347666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216215 (or 2216209 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 45.

It can be divided in two parts, 4032434 and 7666, that added together give a square (4040100 = 2010²).

The spelling of 40324347666 in words is "forty billion, three hundred twenty-four million, three hundred forty-seven thousand, six hundred sixty-six".