2040513520 has 40 divisors (see below), whose sum is σ = 4809196656. Its totient is φ = 805022208.

The previous prime is 2040513499. The next prime is 2040513521. The reversal of 2040513520 is 253150402.

It is a tau number, because it is divible by the number of its divisors (40).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 2040513491 and 2040513500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040513521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168862 + ... + 180541.

Almost surely, 2^2040513520 is an apocalyptic number.

2040513520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040513520 is an abundant number, since it is smaller than the sum of its proper divisors (2768683136).

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

2040513520 is a wasteful number, since it uses less digits than its factorization.

2040513520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349489 (or 349483 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2040513520 is about 45172.0435667903. The cubic root of 2040513520 is about 1268.3715503703.

Adding to 2040513520 its reverse (253150402), we get a palindrome (2293663922).

The spelling of 2040513520 in words is "two billion, forty million, five hundred thirteen thousand, five hundred twenty".