1224432145560 has 256 divisors, whose sum is σ = 3995983756800. Its totient is φ = 298345992192.

The previous prime is 1224432145471. The next prime is 1224432145639. The reversal of 1224432145560 is 655412344221.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 311637676 + ... + 311641604.

It is an arithmetic number, because the mean of its divisors is an integer number (15609311550).

Almost surely, 2^{1224432145560} is an apocalyptic number.

1224432145560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224432145560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997991878400).

1224432145560 is an abundant number, since it is smaller than the sum of its proper divisors (2771551611240).

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

1224432145560 is a wasteful number, since it uses less digits than its factorization.

1224432145560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930 (or 5926 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 1224432145560 its reverse (655412344221), we get a palindrome (1879844489781).

The spelling of 1224432145560 in words is "one trillion, two hundred twenty-four billion, four hundred thirty-two million, one hundred forty-five thousand, five hundred sixty".