2001524340 has 24 divisors (see below), whose sum is σ = 5604268320. Its totient is φ = 533739808.

The previous prime is 2001524339. The next prime is 2001524351. The reversal of 2001524340 is 434251002.

It is a super-2 number, since 2×2001524340² = 8012199367224871200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16679310 + ... + 16679429.

It is an arithmetic number, because the mean of its divisors is an integer number (233511180).

Almost surely, 2^2001524340 is an apocalyptic number.

2001524340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001524340 is an abundant number, since it is smaller than the sum of its proper divisors (3602743980).

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

2001524340 is a wasteful number, since it uses less digits than its factorization.

2001524340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33358751 (or 33358749 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2001524340 is about 44738.3989431897. The cubic root of 2001524340 is about 1260.2410599501.

Adding to 2001524340 its reverse (434251002), we get a palindrome (2435775342).

The spelling of 2001524340 in words is "two billion, one million, five hundred twenty-four thousand, three hundred forty".