2055209408 has 112 divisors (see below), whose sum is σ = 4801477824. Its totient is φ = 854630400.

The previous prime is 2055209399. The next prime is 2055209447. The reversal of 2055209408 is 8049025502.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2397716 + ... + 2398572.

Almost surely, 2^2055209408 is an apocalyptic number.

2055209408 is a gapful number since it is divisible by the number (28) 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 2055209408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2400738912).

2055209408 is an abundant number, since it is smaller than the sum of its proper divisors (2746268416).

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

2055209408 is a wasteful number, since it uses less digits than its factorization.

2055209408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 2055209408 is about 45334.4174772325. The cubic root of 2055209408 is about 1271.4092295072.

The spelling of 2055209408 in words is "two billion, fifty-five million, two hundred nine thousand, four hundred eight".