40420643474233 has 16 divisors (see below), whose sum is σ = 46857638225664. Its totient is φ = 34459653922560.

The previous prime is 40420643474213. The next prime is 40420643474297. The reversal of 40420643474233 is 33247434602404.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40420643474233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40420643474213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390116385 + ... + 390219982.

It is an arithmetic number, because the mean of its divisors is an integer number (2928602389104).

Almost surely, 2^{40420643474233} is an apocalyptic number.

It is an amenable number.

40420643474233 is a deficient number, since it is larger than the sum of its proper divisors (6436994751431).

40420643474233 is a wasteful number, since it uses less digits than its factorization.

40420643474233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780336672.

The product of its (nonzero) digits is 4644864, while the sum is 46.

The spelling of 40420643474233 in words is "forty trillion, four hundred twenty billion, six hundred forty-three million, four hundred seventy-four thousand, two hundred thirty-three".