555234240 has 112 divisors (see below), whose sum is σ = 1923166080. Its totient is φ = 134599680.

The previous prime is 555234233. The next prime is 555234257. The reversal of 555234240 is 42432555.

It is a super-2 number, since 2×555234240² = 616570122536755200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 555234198 and 555234207.

It is a congruent number.

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, 15730 + ... + 36849.

Almost surely, 2^555234240 is an apocalyptic number.

It is an amenable number.

555234240 is an abundant number, since it is smaller than the sum of its proper divisors (1367931840).

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

555234240 is a wasteful number, since it uses less digits than its factorization.

555234240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52610 (or 52600 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 555234240 is about 23563.4089214613. The cubic root of 555234240 is about 821.9121744186.

Adding to 555234240 its reverse (42432555), we get a palindrome (597666795).

The spelling of 555234240 in words is "five hundred fifty-five million, two hundred thirty-four thousand, two hundred forty".