1224424040 has 64 divisors (see below), whose sum is σ = 3152338560. Its totient is φ = 419293440.

The previous prime is 1224424013. The next prime is 1224424207. The reversal of 1224424040 is 404244221.

It is a junction number, because it is equal to n+sod(n) for n = 1224423997 and 1224424015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283739 + ... + 288021.

It is an arithmetic number, because the mean of its divisors is an integer number (49255290).

Almost surely, 2^1224424040 is an apocalyptic number.

1224424040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224424040 is an abundant number, since it is smaller than the sum of its proper divisors (1927914520).

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

1224424040 is a wasteful number, since it uses less digits than its factorization.

1224424040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322 (or 5318 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1224424040 is about 34991.7710326299. The cubic root of 1224424040 is about 1069.8197617627.

Adding to 1224424040 its reverse (404244221), we get a palindrome (1628668261).

The spelling of 1224424040 in words is "one billion, two hundred twenty-four million, four hundred twenty-four thousand, forty".