240606429 has 16 divisors (see below), whose sum is σ = 371281920. Its totient is φ = 135748080.

The previous prime is 240606413. The next prime is 240606437. The reversal of 240606429 is 924606042.

It is a happy number.

It is not a de Polignac number, because 240606429 - 2⁴ = 240606413 is a prime.

It is a super-2 number, since 2×240606429² = 115782907352264082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240606429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240606439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70857 + ... + 74174.

It is an arithmetic number, because the mean of its divisors is an integer number (23205120).

Almost surely, 2^240606429 is an apocalyptic number.

It is an amenable number.

240606429 is a deficient number, since it is larger than the sum of its proper divisors (130675491).

240606429 is a wasteful number, since it uses less digits than its factorization.

240606429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145120.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 240606429 is about 15511.4934484079. The cubic root of 240606429 is about 621.9694820344.

The spelling of 240606429 in words is "two hundred forty million, six hundred six thousand, four hundred twenty-nine".