1440102224 has 40 divisors (see below), whose sum is σ = 3057229920. Its totient is φ = 651715200.

The previous prime is 1440102187. The next prime is 1440102227. The reversal of 1440102224 is 4222010441.

It is a junction number, because it is equal to n+sod(n) for n = 1440102196 and 1440102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440102227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22439 + ... + 58169.

It is an arithmetic number, because the mean of its divisors is an integer number (76430748).

Almost surely, 2^1440102224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1440102224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528614960).

1440102224 is an abundant number, since it is smaller than the sum of its proper divisors (1617127696).

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

1440102224 is a wasteful number, since it uses less digits than its factorization.

1440102224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35979 (or 35973 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1440102224 is about 37948.6788175820. The cubic root of 1440102224 is about 1129.2699552658.

Adding to 1440102224 its reverse (4222010441), we get a palindrome (5662112665).

The spelling of 1440102224 in words is "one billion, four hundred forty million, one hundred two thousand, two hundred twenty-four".