3044400140 has 24 divisors (see below), whose sum is σ = 6394535280. Its totient is φ = 1217513408.

The previous prime is 3044400133. The next prime is 3044400143. The reversal of 3044400140 is 410044403.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (3044400143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111131 + ... + 135789.

It is an arithmetic number, because the mean of its divisors is an integer number (266438970).

Almost surely, 2^3044400140 is an apocalyptic number.

It is an amenable number.

3044400140 is an abundant number, since it is smaller than the sum of its proper divisors (3350135140).

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

3044400140 is a wasteful number, since it uses less digits than its factorization.

3044400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30841 (or 30839 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 3044400140 is about 55176.0830432897. The cubic root of 3044400140 is about 1449.3298750468.

Adding to 3044400140 its reverse (410044403), we get a palindrome (3454444543).

The spelling of 3044400140 in words is "three billion, forty-four million, four hundred thousand, one hundred forty".