2054493680 has 40 divisors (see below), whose sum is σ = 4818990672. Its totient is φ = 814521344.

The previous prime is 2054493611. The next prime is 2054493703. The reversal of 2054493680 is 863944502.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104594 + ... + 122673.

Almost surely, 2^2054493680 is an apocalyptic number.

2054493680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054493680 is an abundant number, since it is smaller than the sum of its proper divisors (2764496992).

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

2054493680 is a wasteful number, since it uses less digits than its factorization.

2054493680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227393 (or 227387 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 2054493680 is about 45326.5229198093. The cubic root of 2054493680 is about 1271.2616226768.

The spelling of 2054493680 in words is "two billion, fifty-four million, four hundred ninety-three thousand, six hundred eighty".