240434429 has 4 divisors (see below), whose sum is σ = 241693440. Its totient is φ = 239175420.

The previous prime is 240434423. The next prime is 240434437. The reversal of 240434429 is 924434042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240434429 - 2¹⁶ = 240368893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240434395 and 240434404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240434423) 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, 629219 + ... + 629600.

It is an arithmetic number, because the mean of its divisors is an integer number (60423360).

Almost surely, 2^240434429 is an apocalyptic number.

It is an amenable number.

240434429 is a deficient number, since it is larger than the sum of its proper divisors (1259011).

240434429 is a wasteful number, since it uses less digits than its factorization.

240434429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259010.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 240434429 is about 15505.9481812626. The cubic root of 240434429 is about 621.8212395939.

The spelling of 240434429 in words is "two hundred forty million, four hundred thirty-four thousand, four hundred twenty-nine".