1240030224 has 30 divisors (see below), whose sum is σ = 3470362766. Its totient is φ = 413343360.

The previous prime is 1240030223. The next prime is 1240030261. The reversal of 1240030224 is 4220300421.

1240030224 is a `hidden beast` number, since 12 + 400 + 30 + 224 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1232010000 + 8020224 = 35100^2 + 2832^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1240030197 and 1240030206.

It is not an unprimeable number, because it can be changed into a prime (1240030223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4305517 + ... + 4305804.

Almost surely, 2^1240030224 is an apocalyptic number.

It is an amenable number.

1240030224 is an abundant number, since it is smaller than the sum of its proper divisors (2230332542).

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

1240030224 is a wasteful number, since it uses less digits than its factorization.

1240030224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611335 (or 8611326 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1240030224 is about 35214.0628726649. The cubic root of 1240030224 is about 1074.3457996180.

Adding to 1240030224 its reverse (4220300421), we get a palindrome (5460330645).

It can be divided in two parts, 12400 and 30224, that added together give a palindrome (42624).

The spelling of 1240030224 in words is "one billion, two hundred forty million, thirty thousand, two hundred twenty-four".