551010240 has 168 divisors, whose sum is σ = 2067659568. Its totient is φ = 133570560.

The previous prime is 551010221. The next prime is 551010259. The reversal of 551010240 is 42010155.

It is an interprime number because it is at equal distance from previous prime (551010221) and next prime (551010259).

It is a super-3 number, since 3×551010240³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22984 + ... + 40376.

Almost surely, 2^551010240 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 551010240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033829784).

551010240 is an abundant number, since it is smaller than the sum of its proper divisors (1516649328).

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

551010240 is a wasteful number, since it uses less digits than its factorization.

551010240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17427 (or 17414 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 551010240 is about 23473.6073069309. The cubic root of 551010240 is about 819.8226068776.

Adding to 551010240 its reverse (42010155), we get a palindrome (593020395).

The spelling of 551010240 in words is "five hundred fifty-one million, ten thousand, two hundred forty".