40043545305 has 32 divisors (see below), whose sum is σ = 67849311744. Its totient is φ = 20097079296.

The previous prime is 40043545301. The next prime is 40043545313. The reversal of 40043545305 is 50354534004.

It is not a de Polignac number, because 40043545305 - 2² = 40043545301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40043545301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3072112 + ... + 3085118.

It is an arithmetic number, because the mean of its divisors is an integer number (2120290992).

Almost surely, 2^40043545305 is an apocalyptic number.

It is an amenable number.

40043545305 is a deficient number, since it is larger than the sum of its proper divisors (27805766439).

40043545305 is a wasteful number, since it uses less digits than its factorization.

40043545305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25105.

The product of its (nonzero) digits is 72000, while the sum is 33.

The spelling of 40043545305 in words is "forty billion, forty-three million, five hundred forty-five thousand, three hundred five".