40234511 has 2 divisors, whose sum is σ = 40234512. Its totient is φ = 40234510.

The previous prime is 40234507. The next prime is 40234543. The reversal of 40234511 is 11543204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40234511 - 2² = 40234507 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40234501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20117255 + 20117256.

It is an arithmetic number, because the mean of its divisors is an integer number (20117256).

Almost surely, 2^40234511 is an apocalyptic number.

40234511 is a deficient number, since it is larger than the sum of its proper divisors (1).

40234511 is an equidigital number, since it uses as much as digits as its factorization.

40234511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40234511 is about 6343.0679485561. The cubic root of 40234511 is about 342.6622343991.

Adding to 40234511 its reverse (11543204), we get a palindrome (51777715).

The spelling of 40234511 in words is "forty million, two hundred thirty-four thousand, five hundred eleven".