40455343 has 2 divisors, whose sum is σ = 40455344. Its totient is φ = 40455342.

The previous prime is 40455323. The next prime is 40455353. The reversal of 40455343 is 34355404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40455343 - 2¹³ = 40447151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40455323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20227671 + 20227672.

It is an arithmetic number, because the mean of its divisors is an integer number (20227672).

Almost surely, 2^40455343 is an apocalyptic number.

40455343 is a deficient number, since it is larger than the sum of its proper divisors (1).

40455343 is an equidigital number, since it uses as much as digits as its factorization.

40455343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 40455343 is about 6360.4514776862. The cubic root of 40455343 is about 343.2880053480.

The spelling of 40455343 in words is "forty million, four hundred fifty-five thousand, three hundred forty-three".