552445442200440 has 320 divisors, whose sum is σ = 1859755320783360. Its totient is φ = 147086913381120.

The previous prime is 552445442200429. The next prime is 552445442200489. The reversal of 552445442200440 is 44002244544255.

552445442200440 is a `hidden beast` number, since 5 + 5 + 2 + 44 + 544 + 2 + 20 + 0 + 4 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5454207477 + ... + 5454308763.

It is an arithmetic number, because the mean of its divisors is an integer number (5811735377448).

Almost surely, 2^{552445442200440} 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 552445442200440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929877660391680).

552445442200440 is an abundant number, since it is smaller than the sum of its proper divisors (1307309878582920).

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

552445442200440 is a wasteful number, since it uses less digits than its factorization.

552445442200440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103944 (or 103931 counting only the distinct ones).

The product of its (nonzero) digits is 4096000, while the sum is 45.

Adding to 552445442200440 its reverse (44002244544255), we get a palindrome (596447686744695).

The spelling of 552445442200440 in words is "five hundred fifty-two trillion, four hundred forty-five billion, four hundred forty-two million, two hundred thousand, four hundred forty".