7450566138828 has 144 divisors (see below), whose sum is σ = 19875116212224. Its totient is φ = 2350252143360.

The previous prime is 7450566138791. The next prime is 7450566138863. The reversal of 7450566138828 is 8288316650547.

7450566138828 is a `hidden beast` number, since 7 + 4 + 5 + 0 + 5 + 6 + 613 + 8 + 8 + 2 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9880101 + ... + 10607427.

Almost surely, 2^{7450566138828} 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 7450566138828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9937558106112).

7450566138828 is an abundant number, since it is smaller than the sum of its proper divisors (12424550073396).

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

7450566138828 is a wasteful number, since it uses less digits than its factorization.

7450566138828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727572 (or 727567 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 7450566138828 in words is "seven trillion, four hundred fifty billion, five hundred sixty-six million, one hundred thirty-eight thousand, eight hundred twenty-eight".