2065097540 has 96 divisors (see below), whose sum is σ = 4925007360. Its totient is φ = 720473600.

The previous prime is 2065097537. The next prime is 2065097549. The reversal of 2065097540 is 457905602.

It is a happy number.

2065097540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2065097494 and 2065097503.

It is not an unprimeable number, because it can be changed into a prime (2065097549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1102805 + ... + 1104675.

It is an arithmetic number, because the mean of its divisors is an integer number (51302160).

Almost surely, 2^2065097540 is an apocalyptic number.

2065097540 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 2065097540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2462503680).

2065097540 is an abundant number, since it is smaller than the sum of its proper divisors (2859909820).

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

2065097540 is a wasteful number, since it uses less digits than its factorization.

2065097540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093 (or 2091 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2065097540 is about 45443.3442871451. The cubic root of 2065097540 is about 1273.4449918683. Note that the first 3 decimals are identical.

The spelling of 2065097540 in words is "two billion, sixty-five million, ninety-seven thousand, five hundred forty".