550434501440 has 56 divisors (see below), whose sum is σ = 1330285225632. Its totient is φ = 216887616000.

The previous prime is 550434501431. The next prime is 550434501451. The reversal of 550434501440 is 44105434055.

It is a self number, because there is not a number n which added to its sum of digits gives 550434501440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12815186 + ... + 12858065.

Almost surely, 2^550434501440 is an apocalyptic number.

It is an amenable number.

550434501440 is an abundant number, since it is smaller than the sum of its proper divisors (779850724192).

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

550434501440 is a wasteful number, since it uses less digits than its factorization.

550434501440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25673335 (or 25673325 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 550434501440 its reverse (44105434055), we get a palindrome (594539935495).

The spelling of 550434501440 in words is "five hundred fifty billion, four hundred thirty-four million, five hundred one thousand, four hundred forty".