551442405120 has 576 divisors, whose sum is σ = 1889813721600. Its totient is φ = 136638627840.

The previous prime is 551442405109. The next prime is 551442405131. The reversal of 551442405120 is 21504244155.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (551442405109) and next prime (551442405131).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1058430460 + ... + 1058430980.

It is an arithmetic number, because the mean of its divisors is an integer number (3280926600).

Almost surely, 2^551442405120 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 551442405120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944906860800).

551442405120 is an abundant number, since it is smaller than the sum of its proper divisors (1338371316480).

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

551442405120 is a wasteful number, since it uses less digits than its factorization.

551442405120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 551442405120 its reverse (21504244155), we get a palindrome (572946649275).

The spelling of 551442405120 in words is "five hundred fifty-one billion, four hundred forty-two million, four hundred five thousand, one hundred twenty".