240505533 has 24 divisors (see below), whose sum is σ = 366253056. Its totient is φ = 151855200.

The previous prime is 240505469. The next prime is 240505537. The reversal of 240505533 is 335505042.

It is not a de Polignac number, because 240505533 - 2⁶ = 240505469 is a prime.

It is a super-2 number, since 2×240505533² = 115685822807228178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240505497 and 240505506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240505537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3943 + ... + 22283.

It is an arithmetic number, because the mean of its divisors is an integer number (15260544).

Almost surely, 2^240505533 is an apocalyptic number.

It is an amenable number.

240505533 is a deficient number, since it is larger than the sum of its proper divisors (125747523).

240505533 is a wasteful number, since it uses less digits than its factorization.

240505533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18425 (or 18422 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 240505533 is about 15508.2408093246. The cubic root of 240505533 is about 621.8825308988.

The spelling of 240505533 in words is "two hundred forty million, five hundred five thousand, five hundred thirty-three".