2055478320 has 120 divisors (see below), whose sum is σ = 7889140896. Its totient is φ = 469822464.

The previous prime is 2055478319. The next prime is 2055478331. The reversal of 2055478320 is 238745502.

2055478320 is a `hidden beast` number, since 2 + 0 + 554 + 7 + 83 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×2055478320² = 8449982247980044800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198877 + ... + 208956.

Almost surely, 2^2055478320 is an apocalyptic number.

2055478320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055478320 is an abundant number, since it is smaller than the sum of its proper divisors (5833662576).

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

2055478320 is a wasteful number, since it uses less digits than its factorization.

2055478320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407859 (or 407850 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 2055478320 is about 45337.3832504700. The cubic root of 2055478320 is about 1271.4646792157.

The spelling of 2055478320 in words is "two billion, fifty-five million, four hundred seventy-eight thousand, three hundred twenty".