2628218275542 has 96 divisors (see below), whose sum is σ = 6068338642080. Its totient is φ = 820513774080.

The previous prime is 2628218275541. The next prime is 2628218275591. The reversal of 2628218275542 is 2455728128262.

2628218275542 is a `hidden beast` number, since 2 + 6 + 2 + 8 + 2 + 1 + 82 + 7 + 554 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628218275541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6187378 + ... + 6598490.

It is an arithmetic number, because the mean of its divisors is an integer number (63211860855).

Almost surely, 2^{2628218275542} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2628218275542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3034169321040).

2628218275542 is an abundant number, since it is smaller than the sum of its proper divisors (3440120366538).

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

2628218275542 is a wasteful number, since it uses less digits than its factorization.

2628218275542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411518 (or 411515 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The spelling of 2628218275542 in words is "two trillion, six hundred twenty-eight billion, two hundred eighteen million, two hundred seventy-five thousand, five hundred forty-two".