40254015343 has 2 divisors, whose sum is σ = 40254015344. Its totient is φ = 40254015342.

The previous prime is 40254015341. The next prime is 40254015379. The reversal of 40254015343 is 34351045204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40254015343 - 2¹ = 40254015341 is a prime.

Together with 40254015341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40254015341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20127007671 + 20127007672.

It is an arithmetic number, because the mean of its divisors is an integer number (20127007672).

Almost surely, 2^40254015343 is an apocalyptic number.

40254015343 is a deficient number, since it is larger than the sum of its proper divisors (1).

40254015343 is an equidigital number, since it uses as much as digits as its factorization.

40254015343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 40254015343 in words is "forty billion, two hundred fifty-four million, fifteen thousand, three hundred forty-three".