550013013240 has 32 divisors (see below), whose sum is σ = 1650039040080. Its totient is φ = 146670136832.

The previous prime is 550013013229. The next prime is 550013013241. The reversal of 550013013240 is 42310310055.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 550013013240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550013013241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2291720769 + ... + 2291721008.

Almost surely, 2^550013013240 is an apocalyptic number.

It is an amenable number.

550013013240 is an abundant number, since it is smaller than the sum of its proper divisors (1100026026840).

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

550013013240 is a wasteful number, since it uses less digits than its factorization.

550013013240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583441791 (or 4583441787 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 550013013240 its reverse (42310310055), we get a palindrome (592323323295).

The spelling of 550013013240 in words is "five hundred fifty billion, thirteen million, thirteen thousand, two hundred forty".