551401451040000 has 1440 divisors, whose sum is σ = 2057059223138304. Its totient is φ = 129905233920000.

The previous prime is 551401451039981. The next prime is 551401451040029. The reversal of 551401451040000 is 40154104155.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 551401451040000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 309254879109 + ... + 309254880891.

Almost surely, 2^{551401451040000} is an apocalyptic number.

551401451040000 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 551401451040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028529611569152).

551401451040000 is an abundant number, since it is smaller than the sum of its proper divisors (1505657772098304).

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

551401451040000 is a wasteful number, since it uses less digits than its factorization.

551401451040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453 (or 3424 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 551401451040000 in words is "five hundred fifty-one trillion, four hundred one billion, four hundred fifty-one million, forty thousand".