2045676408 has 32 divisors (see below), whose sum is σ = 5163849600. Its totient is φ = 675271008.

The previous prime is 2045676407. The next prime is 2045676421. The reversal of 2045676408 is 8046765402.

It is a self number, because there is not a number n which added to its sum of digits gives 2045676408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045676407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411298 + ... + 416241.

It is an arithmetic number, because the mean of its divisors is an integer number (161370300).

Almost surely, 2^2045676408 is an apocalyptic number.

It is an amenable number.

2045676408 is an abundant number, since it is smaller than the sum of its proper divisors (3118173192).

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

2045676408 is a wasteful number, since it uses less digits than its factorization.

2045676408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827651 (or 827647 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 2045676408 is about 45229.1544028849. The cubic root of 2045676408 is about 1269.4403899855.

The spelling of 2045676408 in words is "two billion, forty-five million, six hundred seventy-six thousand, four hundred eight".