1240434044 has 12 divisors (see below), whose sum is σ = 2171290464. Its totient is φ = 620065344.

The previous prime is 1240434017. The next prime is 1240434059. The reversal of 1240434044 is 4404340421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18404 + ... + 53099.

It is an arithmetic number, because the mean of its divisors is an integer number (180940872).

Almost surely, 2^1240434044 is an apocalyptic number.

It is an amenable number.

1240434044 is a deficient number, since it is larger than the sum of its proper divisors (930856420).

1240434044 is a wasteful number, since it uses less digits than its factorization.

1240434044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75844 (or 75842 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1240434044 is about 35219.7961947539. The cubic root of 1240434044 is about 1074.4624083981.

Adding to 1240434044 its reverse (4404340421), we get a palindrome (5644774465).

The spelling of 1240434044 in words is "one billion, two hundred forty million, four hundred thirty-four thousand, forty-four".