6144404213550 has 48 divisors (see below), whose sum is σ = 16040128901760. Its totient is φ = 1552270537440.

The previous prime is 6144404213513. The next prime is 6144404213557. The reversal of 6144404213550 is 553124044416.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6144404213499 and 6144404213508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6144404213557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1077962802 + ... + 1077968501.

It is an arithmetic number, because the mean of its divisors is an integer number (334169352120).

Almost surely, 2^{6144404213550} is an apocalyptic number.

6144404213550 is an abundant number, since it is smaller than the sum of its proper divisors (9895724688210).

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

6144404213550 is a wasteful number, since it uses less digits than its factorization.

6144404213550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155931337 (or 2155931332 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 6144404213550 its reverse (553124044416), we get a palindrome (6697528257966).

The spelling of 6144404213550 in words is "six trillion, one hundred forty-four billion, four hundred four million, two hundred thirteen thousand, five hundred fifty".