1768422528 has 192 divisors, whose sum is σ = 5483911680. Its totient is φ = 545402880.

The previous prime is 1768422527. The next prime is 1768422529. The reversal of 1768422528 is 8252248671.

1768422528 is a `hidden beast` number, since 176 + 8 + 422 + 52 + 8 = 666.

1768422528 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1768422527) and next prime (1768422529).

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1768422527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 820300 + ... + 822452.

It is an arithmetic number, because the mean of its divisors is an integer number (28562040).

Almost surely, 2^1768422528 is an apocalyptic number.

1768422528 is a gapful number since it is divisible by the number (18) 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 1768422528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2741955840).

1768422528 is an abundant number, since it is smaller than the sum of its proper divisors (3715489152).

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

1768422528 is a wasteful number, since it uses less digits than its factorization.

1768422528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227 (or 2212 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 1768422528 is about 42052.6161849652. The cubic root of 1768422528 is about 1209.2850380931.

The spelling of 1768422528 in words is "one billion, seven hundred sixty-eight million, four hundred twenty-two thousand, five hundred twenty-eight".