2141243240 has 64 divisors (see below), whose sum is σ = 4871394000. Its totient is φ = 847024128.

The previous prime is 2141243231. The next prime is 2141243261. The reversal of 2141243240 is 423421412.

It can be written as a sum of positive squares in 8 ways, for example, as 852289636 + 1288953604 = 29194^2 + 35902^2 .

It is a super-2 number, since 2×2141243240² = 9169845225691395200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1650272 + ... + 1651568.

Almost surely, 2^2141243240 is an apocalyptic number.

2141243240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141243240 is an abundant number, since it is smaller than the sum of its proper divisors (2730150760).

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

2141243240 is a wasteful number, since it uses less digits than its factorization.

2141243240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734 (or 1730 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2141243240 is about 46273.5695619000. The cubic root of 2141243240 is about 1288.9082444026.

Adding to 2141243240 its reverse (423421412), we get a palindrome (2564664652).

The spelling of 2141243240 in words is "two billion, one hundred forty-one million, two hundred forty-three thousand, two hundred forty".