40341066640 has 80 divisors (see below), whose sum is σ = 113497414272. Its totient is φ = 13017618432.

The previous prime is 40341066629. The next prime is 40341066641. The reversal of 40341066640 is 4666014304.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 40341066596 and 40341066605.

It is not an unprimeable number, because it can be changed into a prime (40341066641) 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, 2109234 + ... + 2128273.

Almost surely, 2^40341066640 is an apocalyptic number.

40341066640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40341066640 is an abundant number, since it is smaller than the sum of its proper divisors (73156347632).

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

40341066640 is a wasteful number, since it uses less digits than its factorization.

40341066640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237544 (or 4237538 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 40341066640 in words is "forty billion, three hundred forty-one million, sixty-six thousand, six hundred forty".