552405205540 has 48 divisors (see below), whose sum is σ = 1193792040000. Its totient is φ = 214559148672.

The previous prime is 552405205519. The next prime is 552405205543. The reversal of 552405205540 is 45502504255.

It is a super-2 number, since 2×552405205540² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 552405205540.

It is not an unprimeable number, because it can be changed into a prime (552405205543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378730 + ... + 1117249.

It is an arithmetic number, because the mean of its divisors is an integer number (24870667500).

Almost surely, 2^552405205540 is an apocalyptic number.

It is an amenable number.

552405205540 is an abundant number, since it is smaller than the sum of its proper divisors (641386834460).

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

552405205540 is a wasteful number, since it uses less digits than its factorization.

552405205540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496524 (or 1496522 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 37.

Adding to 552405205540 its reverse (45502504255), we get a palindrome (597907709795).

The spelling of 552405205540 in words is "five hundred fifty-two billion, four hundred five million, two hundred five thousand, five hundred forty".