550213033440 has 96 divisors (see below), whose sum is σ = 1980766932480. Its totient is φ = 125762978304.

The previous prime is 550213033439. The next prime is 550213033459. The reversal of 550213033440 is 44330312055.

It is a tau number, because it is divible by the number of its divisors (96).

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 = 550213033398 and 550213033407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81873580 + ... + 81880299.

It is an arithmetic number, because the mean of its divisors is an integer number (20632988880).

Almost surely, 2^550213033440 is an apocalyptic number.

It is an amenable number.

550213033440 is an abundant number, since it is smaller than the sum of its proper divisors (1430553899040).

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

550213033440 is a wasteful number, since it uses less digits than its factorization.

550213033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163753904 (or 163753896 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 550213033440 its reverse (44330312055), we get a palindrome (594543345495).

The spelling of 550213033440 in words is "five hundred fifty billion, two hundred thirteen million, thirty-three thousand, four hundred forty".