240434433 has 16 divisors (see below), whose sum is σ = 371687040. Its totient is φ = 153320112.

The previous prime is 240434423. The next prime is 240434437. The reversal of 240434433 is 334434042.

It is not a de Polignac number, because 240434433 - 2⁵ = 240434401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 240434397 and 240434406.

It is not an unprimeable number, because it can be changed into a prime (240434437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192966 + ... + 194207.

It is an arithmetic number, because the mean of its divisors is an integer number (23230440).

Almost surely, 2^240434433 is an apocalyptic number.

240434433 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

240434433 is a deficient number, since it is larger than the sum of its proper divisors (131252607).

240434433 is a wasteful number, since it uses less digits than its factorization.

240434433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387205 (or 387199 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 240434433 is about 15505.9483102453. The cubic root of 240434433 is about 621.8212430422.

Adding to 240434433 its reverse (334434042), we get a palindrome (574868475).

The spelling of 240434433 in words is "two hundred forty million, four hundred thirty-four thousand, four hundred thirty-three".