10144440 has 160 divisors (see below), whose sum is σ = 35544960. Its totient is φ = 2592000.

The previous prime is 10144417. The next prime is 10144457. The reversal of 10144440 is 4444101.

10144440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 100390 + ... + 100490.

It is an arithmetic number, because the mean of its divisors is an integer number (222156).

Almost surely, 2^10144440 is an apocalyptic number.

10144440 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 10144440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17772480).

10144440 is an abundant number, since it is smaller than the sum of its proper divisors (25400520).

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

10144440 is a wasteful number, since it uses less digits than its factorization.

10144440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 10144440 is about 3185.0337517835. The cubic root of 10144440 is about 216.4758029874.

Adding to 10144440 its reverse (4444101), we get a palindrome (14588541).

The spelling of 10144440 in words is "ten million, one hundred forty-four thousand, four hundred forty".