2045187276 has 24 divisors (see below), whose sum is σ = 5205931584. Its totient is φ = 619753680.

The previous prime is 2045187259. The next prime is 2045187283. The reversal of 2045187276 is 6727815402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7746790 + ... + 7747053.

It is an arithmetic number, because the mean of its divisors is an integer number (216913816).

Almost surely, 2^2045187276 is an apocalyptic number.

It is an amenable number.

2045187276 is an abundant number, since it is smaller than the sum of its proper divisors (3160744308).

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

2045187276 is a wasteful number, since it uses less digits than its factorization.

2045187276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15493861 (or 15493859 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 2045187276 is about 45223.7468151413. The cubic root of 2045187276 is about 1269.3392052934.

The spelling of 2045187276 in words is "two billion, forty-five million, one hundred eighty-seven thousand, two hundred seventy-six".