2055918378 has 8 divisors (see below), whose sum is σ = 4111836768. Its totient is φ = 685306124.

The previous prime is 2055918367. The next prime is 2055918407. The reversal of 2055918378 is 8738195502.

It is a sphenic number, since it is the product of 3 distinct primes.

2055918378 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171326526 + ... + 171326537.

It is an arithmetic number, because the mean of its divisors is an integer number (513979596).

Almost surely, 2^2055918378 is an apocalyptic number.

2055918378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2055918378 is a wasteful number, since it uses less digits than its factorization.

2055918378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342653068.

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 2055918378 is about 45342.2361380645. The cubic root of 2055918378 is about 1271.5554088323. Note that the first 3 decimals are identical.

The spelling of 2055918378 in words is "two billion, fifty-five million, nine hundred eighteen thousand, three hundred seventy-eight".