40234263 has 4 divisors (see below), whose sum is σ = 53645688. Its totient is φ = 26822840.

The previous prime is 40234253. The next prime is 40234273. The reversal of 40234263 is 36243204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40234253) and next prime (40234273).

It is a cyclic number.

It is not a de Polignac number, because 40234263 - 2²¹ = 38137111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6705708 + ... + 6705713.

It is an arithmetic number, because the mean of its divisors is an integer number (13411422).

Almost surely, 2^40234263 is an apocalyptic number.

40234263 is a deficient number, since it is larger than the sum of its proper divisors (13411425).

40234263 is a wasteful number, since it uses less digits than its factorization.

40234263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13411424.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 40234263 is about 6343.0483996262. The cubic root of 40234263 is about 342.6615303566.

Adding to 40234263 its reverse (36243204), we get a palindrome (76477467).

The spelling of 40234263 in words is "forty million, two hundred thirty-four thousand, two hundred sixty-three".