2045630328 has 32 divisors (see below), whose sum is σ = 5844658560. Its totient is φ = 584465760.

The previous prime is 2045630317. The next prime is 2045630329. The reversal of 2045630328 is 8230365402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045630329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6088018 + ... + 6088353.

It is an arithmetic number, because the mean of its divisors is an integer number (182645580).

Almost surely, 2^2045630328 is an apocalyptic number.

2045630328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2045630328 is an abundant number, since it is smaller than the sum of its proper divisors (3799028232).

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

2045630328 is a wasteful number, since it uses less digits than its factorization.

2045630328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12176387 (or 12176383 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2045630328 is about 45228.6449940743. The cubic root of 2045630328 is about 1269.4308582967.

The spelling of 2045630328 in words is "two billion, forty-five million, six hundred thirty thousand, three hundred twenty-eight".