2054840064 has 72 divisors (see below), whose sum is σ = 5477200512. Its totient is φ = 683904000.

The previous prime is 2054839993. The next prime is 2054840071. The reversal of 2054840064 is 4600484502.

2054840064 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 630439 + ... + 633689.

Almost surely, 2^2054840064 is an apocalyptic number.

2054840064 is a gapful number since it is divisible by the number (24) 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 2054840064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2738600256).

2054840064 is an abundant number, since it is smaller than the sum of its proper divisors (3422360448).

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

2054840064 is an equidigital number, since it uses as much as digits as its factorization.

2054840064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093 (or 4079 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 2054840064 is about 45330.3437445603. The cubic root of 2054840064 is about 1271.3330628156. Note that the first 3 decimals are identical.

The spelling of 2054840064 in words is "two billion, fifty-four million, eight hundred forty thousand, sixty-four".