40066350243 has 4 divisors (see below), whose sum is σ = 53421800328. Its totient is φ = 26710900160.

The previous prime is 40066350211. The next prime is 40066350253. The reversal of 40066350243 is 34205366004.

40066350243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40066350243 - 2⁵ = 40066350211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40066350253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6677725038 + ... + 6677725043.

It is an arithmetic number, because the mean of its divisors is an integer number (13355450082).

Almost surely, 2^40066350243 is an apocalyptic number.

40066350243 is a deficient number, since it is larger than the sum of its proper divisors (13355450085).

40066350243 is a wasteful number, since it uses less digits than its factorization.

40066350243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13355450084.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 40066350243 in words is "forty billion, sixty-six million, three hundred fifty thousand, two hundred forty-three".