2065154240 has 56 divisors (see below), whose sum is σ = 4922288352. Its totient is φ = 825282560.

The previous prime is 2065154123. The next prime is 2065154243. The reversal of 2065154240 is 424515602.

It is not an unprimeable number, because it can be changed into a prime (2065154243) 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, 435080 + ... + 439800.

Almost surely, 2^2065154240 is an apocalyptic number.

2065154240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065154240 is an abundant number, since it is smaller than the sum of its proper divisors (2857134112).

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

2065154240 is a wasteful number, since it uses less digits than its factorization.

2065154240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105 (or 6095 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2065154240 is about 45443.9681365965. The cubic root of 2065154240 is about 1273.4566464704.

Adding to 2065154240 its reverse (424515602), we get a palindrome (2489669842).

The spelling of 2065154240 in words is "two billion, sixty-five million, one hundred fifty-four thousand, two hundred forty".