2140241540 has 24 divisors (see below), whose sum is σ = 4689921600. Its totient is φ = 818874848.

The previous prime is 2140241527. The next prime is 2140241561. The reversal of 2140241540 is 451420412.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2325890 + ... + 2326809.

It is an arithmetic number, because the mean of its divisors is an integer number (195413400).

Almost surely, 2^2140241540 is an apocalyptic number.

2140241540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140241540 is an abundant number, since it is smaller than the sum of its proper divisors (2549680060).

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

2140241540 is a wasteful number, since it uses less digits than its factorization.

2140241540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652731 (or 4652729 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2140241540 is about 46262.7446224281. The cubic root of 2140241540 is about 1288.7072239942.

Adding to 2140241540 its reverse (451420412), we get a palindrome (2591661952).

The spelling of 2140241540 in words is "two billion, one hundred forty million, two hundred forty-one thousand, five hundred forty".