40234533 has 24 divisors (see below), whose sum is σ = 57351168. Its totient is φ = 25083648.

The previous prime is 40234511. The next prime is 40234543. The reversal of 40234533 is 33543204.

It is not a de Polignac number, because 40234533 - 2⁵ = 40234501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104860 + ... + 105242.

It is an arithmetic number, because the mean of its divisors is an integer number (2389632).

Almost surely, 2^40234533 is an apocalyptic number.

It is an amenable number.

40234533 is a deficient number, since it is larger than the sum of its proper divisors (17116635).

40234533 is a wasteful number, since it uses less digits than its factorization.

40234533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 40234533 is about 6343.0696827325. The cubic root of 40234533 is about 342.6622968543.

Adding to 40234533 its reverse (33543204), we get a palindrome (73777737).

The spelling of 40234533 in words is "forty million, two hundred thirty-four thousand, five hundred thirty-three".