2068755456 has 88 divisors (see below), whose sum is σ = 5642580064. Its totient is φ = 673505280.

The previous prime is 2068755443. The next prime is 2068755467. The reversal of 2068755456 is 6545578602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124266 + ... + 139926.

It is an arithmetic number, because the mean of its divisors is an integer number (64120228).

Almost surely, 2^2068755456 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 2068755456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2821290032).

2068755456 is an abundant number, since it is smaller than the sum of its proper divisors (3573824608).

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

2068755456 is a wasteful number, since it uses less digits than its factorization.

2068755456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15727 (or 15709 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The square root of 2068755456 is about 45483.5734743874. The cubic root of 2068755456 is about 1274.1964345302.

The spelling of 2068755456 in words is "two billion, sixty-eight million, seven hundred fifty-five thousand, four hundred fifty-six".