552421443340 has 192 divisors, whose sum is σ = 1356628331520. Its totient is φ = 187075952640.

The previous prime is 552421443337. The next prime is 552421443347. The reversal of 552421443340 is 43344124255.

It is a self number, because there is not a number n which added to its sum of digits gives 552421443340.

It is not an unprimeable number, because it can be changed into a prime (552421443347) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 314053381 + ... + 314055139.

It is an arithmetic number, because the mean of its divisors is an integer number (7065772560).

Almost surely, 2^552421443340 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 552421443340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678314165760).

552421443340 is an abundant number, since it is smaller than the sum of its proper divisors (804206888180).

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

552421443340 is a wasteful number, since it uses less digits than its factorization.

552421443340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572 (or 3570 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 552421443340 its reverse (43344124255), we get a palindrome (595765567595).

The spelling of 552421443340 in words is "five hundred fifty-two billion, four hundred twenty-one million, four hundred forty-three thousand, three hundred forty".