2041644520 has 16 divisors (see below), whose sum is σ = 4593700260. Its totient is φ = 816657792.

The previous prime is 2041644511. The next prime is 2041644533. The reversal of 2041644520 is 254461402.

It can be written as a sum of positive squares in 2 ways, for example, as 1926683236 + 114961284 = 43894^2 + 10722^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25520517 + ... + 25520596.

Almost surely, 2^2041644520 is an apocalyptic number.

2041644520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2041644520 is an abundant number, since it is smaller than the sum of its proper divisors (2552055740).

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

2041644520 is a wasteful number, since it uses less digits than its factorization.

2041644520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51041124 (or 51041120 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2041644520 is about 45184.5606374567. The cubic root of 2041644520 is about 1268.6058481343.

The spelling of 2041644520 in words is "two billion, forty-one million, six hundred forty-four thousand, five hundred twenty".