144401310440 has 64 divisors (see below), whose sum is σ = 334406396160. Its totient is φ = 56077781760.

The previous prime is 144401310437. The next prime is 144401310479. The reversal of 144401310440 is 44013104441.

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, 579875 + ... + 790605.

It is an arithmetic number, because the mean of its divisors is an integer number (5225099940).

Almost surely, 2^144401310440 is an apocalyptic number.

144401310440 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 144401310440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167203198080).

144401310440 is an abundant number, since it is smaller than the sum of its proper divisors (190005085720).

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

144401310440 is a wasteful number, since it uses less digits than its factorization.

144401310440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211242 (or 211238 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 144401310440 its reverse (44013104441), we get a palindrome (188414414881).

It can be divided in two parts, 14440 and 1310440, that multiplied together give a square (18922753600 = 137560²).

The spelling of 144401310440 in words is "one hundred forty-four billion, four hundred one million, three hundred ten thousand, four hundred forty".