2054393856 has 156 divisors (see below), whose sum is σ = 6194755008. Its totient is φ = 654753792.

The previous prime is 2054393851. The next prime is 2054393863. The reversal of 2054393856 is 6583934502.

2054393856 is a `hidden beast` number, since 20 + 543 + 9 + 3 + 85 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054393851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 846661 + ... + 849083.

It is an arithmetic number, because the mean of its divisors is an integer number (39709968).

Almost surely, 2^2054393856 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 2054393856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3097377504).

2054393856 is an abundant number, since it is smaller than the sum of its proper divisors (4140361152).

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

2054393856 is a wasteful number, since it uses less digits than its factorization.

2054393856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 2054393856 is about 45325.4217410053. The cubic root of 2054393856 is about 1271.2410329362.

The spelling of 2054393856 in words is "two billion, fifty-four million, three hundred ninety-three thousand, eight hundred fifty-six".