550433205440 has 112 divisors (see below), whose sum is σ = 1392563534400. Its totient is φ = 206835535872.

The previous prime is 550433205437. The next prime is 550433205451. The reversal of 550433205440 is 44502334055.

It is a self number, because there is not a number n which added to its sum of digits gives 550433205440.

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, 458180 + ... + 1144899.

Almost surely, 2^550433205440 is an apocalyptic number.

It is an amenable number.

550433205440 is an abundant number, since it is smaller than the sum of its proper divisors (842130328960).

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

550433205440 is a wasteful number, since it uses less digits than its factorization.

550433205440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603162 (or 1603152 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 550433205440 its reverse (44502334055), we get a palindrome (594935539495).

The spelling of 550433205440 in words is "five hundred fifty billion, four hundred thirty-three million, two hundred five thousand, four hundred forty".