551420417000 has 32 divisors (see below), whose sum is σ = 1290323778120. Its totient is φ = 220568166400.

The previous prime is 551420416957. The next prime is 551420417029. The reversal of 551420417000 is 714024155.

It can be written as a sum of positive squares in 4 ways, for example, as 271522282084 + 279898134916 = 521078^2 + 529054^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275709209 + ... + 275711208.

Almost surely, 2^551420417000 is an apocalyptic number.

551420417000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551420417000 is an abundant number, since it is smaller than the sum of its proper divisors (738903361120).

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

551420417000 is a wasteful number, since it uses less digits than its factorization.

551420417000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551420438 (or 551420424 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The spelling of 551420417000 in words is "five hundred fifty-one billion, four hundred twenty million, four hundred seventeen thousand".