2005455456 has 96 divisors (see below), whose sum is σ = 6193363680. Its totient is φ = 629157888.

The previous prime is 2005455437. The next prime is 2005455479. The reversal of 2005455456 is 6545545002.

2005455456 is a `hidden beast` number, since 2 + 0 + 0 + 54 + 554 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a self number, because there is not a number n which added to its sum of digits gives 2005455456.

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, 53581 + ... + 82956.

It is an arithmetic number, because the mean of its divisors is an integer number (64514205).

Almost surely, 2^2005455456 is an apocalyptic number.

It is an amenable number.

2005455456 is an abundant number, since it is smaller than the sum of its proper divisors (4187908224).

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

2005455456 is a wasteful number, since it uses less digits than its factorization.

2005455456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136573 (or 136559 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 2005455456 is about 44782.3118652890. The cubic root of 2005455456 is about 1261.0655838409.

The spelling of 2005455456 in words is "two billion, five million, four hundred fifty-five thousand, four hundred fifty-six".