1240334330 has 32 divisors (see below), whose sum is σ = 2258193168. Its totient is φ = 490470400.

The previous prime is 1240334311. The next prime is 1240334341. The reversal of 1240334330 is 334330421.

It can be written as a sum of positive squares in 8 ways, for example, as 8254129 + 1232080201 = 2873^2 + 35101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1240334296 and 1240334305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519740 + ... + 522120.

Almost surely, 2^1240334330 is an apocalyptic number.

1240334330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240334330 is a deficient number, since it is larger than the sum of its proper divisors (1017858838).

1240334330 is a wasteful number, since it uses less digits than its factorization.

1240334330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 1240334330 is about 35218.3805703783. The cubic root of 1240334330 is about 1074.4336169128.

Adding to 1240334330 its reverse (334330421), we get a palindrome (1574664751).

The spelling of 1240334330 in words is "one billion, two hundred forty million, three hundred thirty-four thousand, three hundred thirty".