2130241240 has 32 divisors (see below), whose sum is σ = 5045310000. Its totient is φ = 807249024.

The previous prime is 2130241213. The next prime is 2130241249. The reversal of 2130241240 is 421420312.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130241249) 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, 1400715 + ... + 1402234.

Almost surely, 2^2130241240 is an apocalyptic number.

2130241240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130241240 is an abundant number, since it is smaller than the sum of its proper divisors (2915068760).

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

2130241240 is a wasteful number, since it uses less digits than its factorization.

2130241240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802979 (or 2802975 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2130241240 is about 46154.5365050934. The cubic root of 2130241240 is about 1286.6969238890.

Adding to 2130241240 its reverse (421420312), we get a palindrome (2551661552).

The spelling of 2130241240 in words is "two billion, one hundred thirty million, two hundred forty-one thousand, two hundred forty".