551450484480 has 576 divisors, whose sum is σ = 2060234265600. Its totient is φ = 125655957504.

The previous prime is 551450484467. The next prime is 551450484499. The reversal of 551450484480 is 84484054155.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 807394219 + ... + 807394901.

It is an arithmetic number, because the mean of its divisors is an integer number (3576795600).

Almost surely, 2^551450484480 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 551450484480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030117132800).

551450484480 is an abundant number, since it is smaller than the sum of its proper divisors (1508783781120).

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

551450484480 is an equidigital number, since it uses as much as digits as its factorization.

551450484480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 48.

The spelling of 551450484480 in words is "five hundred fifty-one billion, four hundred fifty million, four hundred eighty-four thousand, four hundred eighty".