2065533040 has 40 divisors (see below), whose sum is σ = 4823941248. Its totient is φ = 822501120.

The previous prime is 2065533023. The next prime is 2065533047. The reversal of 2065533040 is 403355602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065533047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40051 + ... + 75730.

Almost surely, 2^2065533040 is an apocalyptic number.

2065533040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065533040 is an abundant number, since it is smaller than the sum of its proper divisors (2758408208).

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

2065533040 is a wasteful number, since it uses less digits than its factorization.

2065533040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116017 (or 116011 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2065533040 is about 45448.1357153404. The cubic root of 2065533040 is about 1273.5345027837.

Adding to 2065533040 its reverse (403355602), we get a palindrome (2468888642).

The spelling of 2065533040 in words is "two billion, sixty-five million, five hundred thirty-three thousand, forty".