3144403032240 has 80 divisors (see below), whose sum is σ = 9760035817728. Its totient is φ = 837441977088.

The previous prime is 3144403032223. The next prime is 3144403032241. The reversal of 3144403032240 is 422303044413.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3144403032198 and 3144403032207.

It is not an unprimeable number, because it can be changed into a prime (3144403032241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8134932 + ... + 8512691.

Almost surely, 2^{3144403032240} is an apocalyptic number.

3144403032240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3144403032240 is an abundant number, since it is smaller than the sum of its proper divisors (6615632785488).

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

3144403032240 is a wasteful number, since it uses less digits than its factorization.

3144403032240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16648426 (or 16648420 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 3144403032240 its reverse (422303044413), we get a palindrome (3566706076653).

The spelling of 3144403032240 in words is "three trillion, one hundred forty-four billion, four hundred three million, thirty-two thousand, two hundred forty".