1224020415344 has 20 divisors (see below), whose sum is σ = 2474649970896. Its totient is φ = 585401068032.

The previous prime is 1224020415329. The next prime is 1224020415347. The reversal of 1224020415344 is 4435140204221.

It is a self number, because there is not a number n which added to its sum of digits gives 1224020415344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224020415347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663070849 + ... + 1663071584.

Almost surely, 2^{1224020415344} is an apocalyptic number.

It is an amenable number.

1224020415344 is an abundant number, since it is smaller than the sum of its proper divisors (1250629555552).

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

1224020415344 is a wasteful number, since it uses less digits than its factorization.

1224020415344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326142464 (or 3326142458 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 1224020415344 its reverse (4435140204221), we get a palindrome (5659160619565).

The spelling of 1224020415344 in words is "one trillion, two hundred twenty-four billion, twenty million, four hundred fifteen thousand, three hundred forty-four".