2040240240 has 60 divisors (see below), whose sum is σ = 6851809224. Its totient is φ = 544063872.

The previous prime is 2040240229. The next prime is 2040240283. The reversal of 2040240240 is 420420402.

2040240240 is a `hidden beast` number, since 20 + 402 + 4 + 0 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1416114 + ... + 1417553.

Almost surely, 2^2040240240 is an apocalyptic number.

2040240240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040240240 is an abundant number, since it is smaller than the sum of its proper divisors (4811568984).

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

2040240240 is a wasteful number, since it uses less digits than its factorization.

2040240240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833686 (or 2833677 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2040240240 is about 45169.0185857519. The cubic root of 2040240240 is about 1268.3149247466.

Adding to 2040240240 its reverse (420420402), we get a palindrome (2460660642).

The spelling of 2040240240 in words is "two billion, forty million, two hundred forty thousand, two hundred forty".