3144461817420 has 576 divisors, whose sum is σ = 11959284040704. Its totient is φ = 649698416640.

The previous prime is 3144461817401. The next prime is 3144461817433. The reversal of 3144461817420 is 247181644413.

3144461817420 is a `hidden beast` number, since 3 + 1 + 4 + 4 + 4 + 618 + 1 + 7 + 4 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2290211854 + ... + 2290213226.

It is an arithmetic number, because the mean of its divisors is an integer number (20762645904).

Almost surely, 2^{3144461817420} is an apocalyptic number.

3144461817420 is a gapful number since it is divisible by the number (30) 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 3144461817420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5979642020352).

3144461817420 is an abundant number, since it is smaller than the sum of its proper divisors (8814822223284).

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

3144461817420 is a wasteful number, since it uses less digits than its factorization.

3144461817420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 3144461817420 in words is "three trillion, one hundred forty-four billion, four hundred sixty-one million, eight hundred seventeen thousand, four hundred twenty".