4426566012500 has 72 divisors (see below), whose sum is σ = 9688510942488. Its totient is φ = 1769526000000.

The previous prime is 4426566012499. The next prime is 4426566012571. The reversal of 4426566012500 is 52106656244.

It can be written as a sum of positive squares in 12 ways, for example, as 4231430017936 + 195135994564 = 2057044^2 + 441742^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20153270 + ... + 20371730.

It is an arithmetic number, because the mean of its divisors is an integer number (134562651979).

Almost surely, 2^{4426566012500} 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 4426566012500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4844255471244).

4426566012500 is an abundant number, since it is smaller than the sum of its proper divisors (5261944929988).

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

4426566012500 is a wasteful number, since it uses less digits than its factorization.

4426566012500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220111 (or 220089 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 4426566012500 in words is "four trillion, four hundred twenty-six billion, five hundred sixty-six million, twelve thousand, five hundred".