40668030305 has 16 divisors (see below), whose sum is σ = 55785179520. Its totient is φ = 27880708992.

The previous prime is 40668030301. The next prime is 40668030311. The reversal of 40668030305 is 50303086604.

It is a cyclic number.

It is not a de Polignac number, because 40668030305 - 2² = 40668030301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (40668030301) 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, 46181 + ... + 288909.

It is an arithmetic number, because the mean of its divisors is an integer number (3486573720).

Almost surely, 2^40668030305 is an apocalyptic number.

It is an amenable number.

40668030305 is a deficient number, since it is larger than the sum of its proper divisors (15117149215).

40668030305 is a wasteful number, since it uses less digits than its factorization.

40668030305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247528.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 40668030305 in words is "forty billion, six hundred sixty-eight million, thirty thousand, three hundred five".