551080458144 has 144 divisors (see below), whose sum is σ = 1642693276224. Its totient is φ = 175045248000.

The previous prime is 551080458127. The next prime is 551080458167. The reversal of 551080458144 is 441854080155.

551080458144 is a `hidden beast` number, since 5 + 51 + 0 + 8 + 0 + 458 + 144 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 551080458144.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34932 + ... + 1050419.

It is an arithmetic number, because the mean of its divisors is an integer number (11407592196).

Almost surely, 2^551080458144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551080458144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (821346638112).

551080458144 is an abundant number, since it is smaller than the sum of its proper divisors (1091612818080).

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

551080458144 is a wasteful number, since it uses less digits than its factorization.

551080458144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085451 (or 1085440 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 45.

The spelling of 551080458144 in words is "five hundred fifty-one billion, eighty million, four hundred fifty-eight thousand, one hundred forty-four".