2001360040 has 64 divisors (see below), whose sum is σ = 4578312960. Its totient is φ = 787276800.

The previous prime is 2001360029. The next prime is 2001360047. The reversal of 2001360040 is 400631002.

It is a junction number, because it is equal to n+sod(n) for n = 2001359996 and 2001360023.

It is not an unprimeable number, because it can be changed into a prime (2001360047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620512 + ... + 623728.

It is an arithmetic number, because the mean of its divisors is an integer number (71536140).

Almost surely, 2^2001360040 is an apocalyptic number.

2001360040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001360040 is an abundant number, since it is smaller than the sum of its proper divisors (2576952920).

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

2001360040 is a wasteful number, since it uses less digits than its factorization.

2001360040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482 (or 3478 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2001360040 is about 44736.5626752883. The cubic root of 2001360040 is about 1260.2065756877.

Adding to 2001360040 its reverse (400631002), we get a palindrome (2401991042).

The spelling of 2001360040 in words is "two billion, one million, three hundred sixty thousand, forty".