4144302440 has 16 divisors (see below), whose sum is σ = 9324680580. Its totient is φ = 1657720960.

The previous prime is 4144302419. The next prime is 4144302469. The reversal of 4144302440 is 442034414.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3829381924 + 314920516 = 61882^2 + 17746^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51803741 + ... + 51803820.

Almost surely, 2^4144302440 is an apocalyptic number.

4144302440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4144302440 is an abundant number, since it is smaller than the sum of its proper divisors (5180378140).

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

4144302440 is a wasteful number, since it uses less digits than its factorization.

4144302440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103607572 (or 103607568 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 4144302440 is about 64376.2568032656. The cubic root of 4144302440 is about 1606.2648182254.

Adding to 4144302440 its reverse (442034414), we get a palindrome (4586336854).

The spelling of 4144302440 in words is "four billion, one hundred forty-four million, three hundred two thousand, four hundred forty".