2045273460 has 48 divisors (see below), whose sum is σ = 5745114816. Its totient is φ = 543658752.

The previous prime is 2045273437. The next prime is 2045273491. The reversal of 2045273460 is 643725402.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 35674 + ... + 73233.

It is an arithmetic number, because the mean of its divisors is an integer number (119689892).

Almost surely, 2^2045273460 is an apocalyptic number.

2045273460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045273460 is an abundant number, since it is smaller than the sum of its proper divisors (3699841356).

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

2045273460 is a wasteful number, since it uses less digits than its factorization.

2045273460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109232 (or 109230 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 2045273460 is about 45224.6996673278. The cubic root of 2045273460 is about 1269.3570349880.

Adding to 2045273460 its reverse (643725402), we get a palindrome (2688998862).

The spelling of 2045273460 in words is "two billion, forty-five million, two hundred seventy-three thousand, four hundred sixty".