552243512240 has 120 divisors (see below), whose sum is σ = 1507553255952. Its totient is φ = 187570951680.

The previous prime is 552243512213. The next prime is 552243512263. The reversal of 552243512240 is 42215342255.

It is a happy number.

It is a super-2 number, since 2×552243512240² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 552243512240.

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, 238871 + ... + 1077750.

Almost surely, 2^552243512240 is an apocalyptic number.

It is an amenable number.

552243512240 is an abundant number, since it is smaller than the sum of its proper divisors (955309743712).

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

552243512240 is a wasteful number, since it uses less digits than its factorization.

552243512240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316755 (or 1316742 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 552243512240 its reverse (42215342255), we get a palindrome (594458854495).

The spelling of 552243512240 in words is "five hundred fifty-two billion, two hundred forty-three million, five hundred twelve thousand, two hundred forty".