6445227750534 has 96 divisors (see below), whose sum is σ = 14779099969920. Its totient is φ = 2024337982464.

The previous prime is 6445227750527. The next prime is 6445227750539. The reversal of 6445227750534 is 4350577225446.

6445227750534 is a `hidden beast` number, since 6 + 4 + 4 + 52 + 2 + 7 + 7 + 50 + 534 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445227750539) 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, 417348217 + ... + 417363659.

It is an arithmetic number, because the mean of its divisors is an integer number (153948958020).

Almost surely, 2^{6445227750534} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6445227750534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7389549984960).

6445227750534 is an abundant number, since it is smaller than the sum of its proper divisors (8333872219386).

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

6445227750534 is a wasteful number, since it uses less digits than its factorization.

6445227750534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21986 (or 21983 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 54.

The spelling of 6445227750534 in words is "six trillion, four hundred forty-five billion, two hundred twenty-seven million, seven hundred fifty thousand, five hundred thirty-four".