2006521440580 has 24 divisors (see below), whose sum is σ = 4213757241792. Its totient is φ = 802596725472.

The previous prime is 2006521440577. The next prime is 2006521440589. The reversal of 2006521440580 is 850441256002.

It is a super-2 number, since 2×2006521440580² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2006521440589) 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, 717759 + ... + 2127961.

It is an arithmetic number, because the mean of its divisors is an integer number (175573218408).

Almost surely, 2^{2006521440580} is an apocalyptic number.

2006521440580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2006521440580 is an abundant number, since it is smaller than the sum of its proper divisors (2207235801212).

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

2006521440580 is a wasteful number, since it uses less digits than its factorization.

2006521440580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481355 (or 1481353 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 2006521440580 its reverse (850441256002), we get a palindrome (2856962696582).

The spelling of 2006521440580 in words is "two trillion, six billion, five hundred twenty-one million, four hundred forty thousand, five hundred eighty".