1240004434 has 16 divisors (see below), whose sum is σ = 1886556672. Its totient is φ = 611206848.

The previous prime is 1240004341. The next prime is 1240004449. The reversal of 1240004434 is 4344000421.

It is a super-3 number, since 3×1240004434³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32442 + ... + 59434.

It is an arithmetic number, because the mean of its divisors is an integer number (117909792).

Almost surely, 2^1240004434 is an apocalyptic number.

1240004434 is a deficient number, since it is larger than the sum of its proper divisors (646552238).

1240004434 is a wasteful number, since it uses less digits than its factorization.

1240004434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27321.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1240004434 is about 35213.6966818311. The cubic root of 1240004434 is about 1074.3383515279.

Adding to 1240004434 its reverse (4344000421), we get a palindrome (5584004855).

The spelling of 1240004434 in words is "one billion, two hundred forty million, four thousand, four hundred thirty-four".