1240606434 has 16 divisors (see below), whose sum is σ = 2503171872. Its totient is φ = 409875648.

The previous prime is 1240606421. The next prime is 1240606439. The reversal of 1240606434 is 4346060421.

It is not an unprimeable number, because it can be changed into a prime (1240606439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914224 + ... + 915579.

It is an arithmetic number, because the mean of its divisors is an integer number (156448242).

Almost surely, 2^1240606434 is an apocalyptic number.

1240606434 is an abundant number, since it is smaller than the sum of its proper divisors (1262565438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1240606434 is a wasteful number, since it uses less digits than its factorization.

1240606434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829921.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 1240606434 is about 35222.2434549533. The cubic root of 1240606434 is about 1074.5121807595.

Adding to 1240606434 its reverse (4346060421), we get a palindrome (5586666855).

The spelling of 1240606434 in words is "one billion, two hundred forty million, six hundred six thousand, four hundred thirty-four".