550841274840 has 128 divisors (see below), whose sum is σ = 1655879500800. Its totient is φ = 146593075200.

The previous prime is 550841274839. The next prime is 550841274859. The reversal of 550841274840 is 48472148055.

It is a happy number.

It is a super-2 number, since 2×550841274840² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550841274840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234299665 + ... + 234302015.

It is an arithmetic number, because the mean of its divisors is an integer number (12936558600).

Almost surely, 2^550841274840 is an apocalyptic number.

It is an amenable number.

550841274840 is an abundant number, since it is smaller than the sum of its proper divisors (1105038225960).

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

550841274840 is a wasteful number, since it uses less digits than its factorization.

550841274840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497 (or 5493 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 48.

The spelling of 550841274840 in words is "five hundred fifty billion, eight hundred forty-one million, two hundred seventy-four thousand, eight hundred forty".