551405352424000 has 112 divisors (see below), whose sum is σ = 1365693890985216. Its totient is φ = 220539764928000.

The previous prime is 551405352423983. The next prime is 551405352424021. The reversal of 551405352424000 is 424253504155.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75476679 + ... + 82459321.

Almost surely, 2^{551405352424000} is an apocalyptic number.

551405352424000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551405352424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682846945492608).

551405352424000 is an abundant number, since it is smaller than the sum of its proper divisors (814288538561216).

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

551405352424000 is an equidigital number, since it uses as much as digits as its factorization.

551405352424000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6992541 (or 6992521 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 551405352424000 in words is "five hundred fifty-one trillion, four hundred five billion, three hundred fifty-two million, four hundred twenty-four thousand".