5578426677252 has 144 divisors (see below), whose sum is σ = 15426846368640. Its totient is φ = 1558466004480.

The previous prime is 5578426677227. The next prime is 5578426677259. The reversal of 5578426677252 is 2527766248755.

It is a happy number.

It is a super-2 number, since 2×5578426677252² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (5578426677259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15088033 + ... + 15453335.

It is an arithmetic number, because the mean of its divisors is an integer number (107130877560).

Almost surely, 2^{5578426677252} is an apocalyptic number.

5578426677252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5578426677252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7713423184320).

5578426677252 is an abundant number, since it is smaller than the sum of its proper divisors (9848419691388).

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

5578426677252 is a wasteful number, since it uses less digits than its factorization.

5578426677252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366154 (or 366141 counting only the distinct ones).

The product of its digits is 395136000, while the sum is 66.

The spelling of 5578426677252 in words is "five trillion, five hundred seventy-eight billion, four hundred twenty-six million, six hundred seventy-seven thousand, two hundred fifty-two".