40462664243 has 2 divisors, whose sum is σ = 40462664244. Its totient is φ = 40462664242.

The previous prime is 40462664239. The next prime is 40462664267. The reversal of 40462664243 is 34246626404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40462664243 - 2² = 40462664239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40462664243.

It is not a weakly prime, because it can be changed into another prime (40462669243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20231332121 + 20231332122.

It is an arithmetic number, because the mean of its divisors is an integer number (20231332122).

Almost surely, 2^40462664243 is an apocalyptic number.

40462664243 is a deficient number, since it is larger than the sum of its proper divisors (1).

40462664243 is an equidigital number, since it uses as much as digits as its factorization.

40462664243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 41.

The spelling of 40462664243 in words is "forty billion, four hundred sixty-two million, six hundred sixty-four thousand, two hundred forty-three".