550461204120 has 128 divisors (see below), whose sum is σ = 1674537546240. Its totient is φ = 144732810240.

The previous prime is 550461204109. The next prime is 550461204121. The reversal of 550461204120 is 21402164055.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550461204121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34252327 + ... + 34268393.

It is an arithmetic number, because the mean of its divisors is an integer number (13082324580).

Almost surely, 2^550461204120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550461204120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837268773120).

550461204120 is an abundant number, since it is smaller than the sum of its proper divisors (1124076342120).

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

550461204120 is a wasteful number, since it uses less digits than its factorization.

550461204120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20065 (or 20061 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 550461204120 its reverse (21402164055), we get a palindrome (571863368175).

The spelling of 550461204120 in words is "five hundred fifty billion, four hundred sixty-one million, two hundred four thousand, one hundred twenty".