2045616912 has 120 divisors (see below), whose sum is σ = 6042872160. Its totient is φ = 644198400.

The previous prime is 2045616869. The next prime is 2045616949. The reversal of 2045616912 is 2196165402.

2045616912 is a `hidden beast` number, since 2 + 0 + 4 + 561 + 6 + 91 + 2 = 666.

2045616912 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 1276912 + ... + 1278512.

It is an arithmetic number, because the mean of its divisors is an integer number (50357268).

Almost surely, 2^2045616912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045616912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3021436080).

2045616912 is an abundant number, since it is smaller than the sum of its proper divisors (3997255248).

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

2045616912 is a wasteful number, since it uses less digits than its factorization.

2045616912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2045616912 is about 45228.4966807432. The cubic root of 2045616912 is about 1269.4280831584.

The spelling of 2045616912 in words is "two billion, forty-five million, six hundred sixteen thousand, nine hundred twelve".