2533565040 has 160 divisors (see below), whose sum is σ = 8001987840. Its totient is φ = 663011328.

The previous prime is 2533565039. The next prime is 2533565059. The reversal of 2533565040 is 405653352.

It is a junction number, because it is equal to n+sod(n) for n = 2533564992 and 2533565010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3844231 + ... + 3844889.

It is an arithmetic number, because the mean of its divisors is an integer number (50012424).

Almost surely, 2^2533565040 is an apocalyptic number.

2533565040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2533565040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4000993920).

2533565040 is an abundant number, since it is smaller than the sum of its proper divisors (5468422800).

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

2533565040 is a wasteful number, since it uses less digits than its factorization.

2533565040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 2533565040 is about 50334.5312881723. The cubic root of 2533565040 is about 1363.2557952460.

The spelling of 2533565040 in words is "two billion, five hundred thirty-three million, five hundred sixty-five thousand, forty".