1224435040 has 48 divisors (see below), whose sum is σ = 2897878032. Its totient is φ = 488902144.

The previous prime is 1224434989. The next prime is 1224435089. The reversal of 1224435040 is 405344221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1224434996 and 1224435014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87402 + ... + 100438.

It is an arithmetic number, because the mean of its divisors is an integer number (60372459).

Almost surely, 2^1224435040 is an apocalyptic number.

1224435040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224435040 is an abundant number, since it is smaller than the sum of its proper divisors (1673442992).

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

1224435040 is a wasteful number, since it uses less digits than its factorization.

1224435040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13639 (or 13631 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1224435040 is about 34991.9282120891. The cubic root of 1224435040 is about 1069.8229654410.

Adding to 1224435040 its reverse (405344221), we get a palindrome (1629779261).

The spelling of 1224435040 in words is "one billion, two hundred twenty-four million, four hundred thirty-five thousand, forty".