2626556622228 has 432 divisors, whose sum is σ = 8480919283200. Its totient is φ = 677748072960.

The previous prime is 2626556622133. The next prime is 2626556622251. The reversal of 2626556622228 is 8222266556262.

2626556622228 is a `hidden beast` number, since 2 + 6 + 2 + 6 + 5 + 5 + 6 + 622 + 2 + 2 + 8 = 666.

Its product of digits (16588800) is a multiple of the sum of its prime divisors (1728).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3168342918 + ... + 3168343746.

It is an arithmetic number, because the mean of its divisors is an integer number (19631757600).

Almost surely, 2^{2626556622228} is an apocalyptic number.

2626556622228 is a gapful number since it is divisible by the number (28) 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 2626556622228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4240459641600).

2626556622228 is an abundant number, since it is smaller than the sum of its proper divisors (5854362660972).

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

2626556622228 is a wasteful number, since it uses less digits than its factorization.

2626556622228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740 (or 1728 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 54.

The spelling of 2626556622228 in words is "two trillion, six hundred twenty-six billion, five hundred fifty-six million, six hundred twenty-two thousand, two hundred twenty-eight".