40455351535243 has 2 divisors, whose sum is σ = 40455351535244. Its totient is φ = 40455351535242.

The previous prime is 40455351535231. The next prime is 40455351535253. The reversal of 40455351535243 is 34253515355404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40455351535243 is a prime.

It is a super-3 number, since 3×40455351535243³ (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (40455351535253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20227675767621 + 20227675767622.

It is an arithmetic number, because the mean of its divisors is an integer number (20227675767622).

Almost surely, 2^{40455351535243} is an apocalyptic number.

40455351535243 is a deficient number, since it is larger than the sum of its proper divisors (1).

40455351535243 is an equidigital number, since it uses as much as digits as its factorization.

40455351535243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800000, while the sum is 49.

The spelling of 40455351535243 in words is "forty trillion, four hundred fifty-five billion, three hundred fifty-one million, five hundred thirty-five thousand, two hundred forty-three".