2065306140 has 48 divisors (see below), whose sum is σ = 6425398560. Its totient is φ = 550748160.

The previous prime is 2065306127. The next prime is 2065306141. The reversal of 2065306140 is 416035602.

2065306140 is a `hidden beast` number, since 2 + 0 + 653 + 0 + 6 + 1 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065306141) 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, 1911781 + ... + 1912860.

It is an arithmetic number, because the mean of its divisors is an integer number (133862470).

Almost surely, 2^2065306140 is an apocalyptic number.

2065306140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065306140 is an abundant number, since it is smaller than the sum of its proper divisors (4360092420).

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

2065306140 is a wasteful number, since it uses less digits than its factorization.

2065306140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824659 (or 3824651 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2065306140 is about 45445.6393947758. The cubic root of 2065306140 is about 1273.4878682420.

The spelling of 2065306140 in words is "two billion, sixty-five million, three hundred six thousand, one hundred forty".