240440434 has 16 divisors (see below), whose sum is σ = 397438272. Its totient is φ = 108391248.

The previous prime is 240440429. The next prime is 240440461. The reversal of 240440434 is 434044042.

240440434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 240440399 and 240440408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106414 + ... + 108649.

It is an arithmetic number, because the mean of its divisors is an integer number (24839892).

Almost surely, 2^240440434 is an apocalyptic number.

240440434 is a deficient number, since it is larger than the sum of its proper divisors (156997838).

240440434 is a wasteful number, since it uses less digits than its factorization.

240440434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215121.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 240440434 is about 15506.1418154227. The cubic root of 240440434 is about 621.8264163421.

Adding to 240440434 its reverse (434044042), we get a palindrome (674484476).

The spelling of 240440434 in words is "two hundred forty million, four hundred forty thousand, four hundred thirty-four".