2141143040 has 120 divisors (see below), whose sum is σ = 5237477280. Its totient is φ = 840040448.

The previous prime is 2141143031. The next prime is 2141143057. The reversal of 2141143040 is 403411412.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 4833059 + ... + 4833501.

It is an arithmetic number, because the mean of its divisors is an integer number (43645644).

Almost surely, 2^2141143040 is an apocalyptic number.

2141143040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2141143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2618738640).

2141143040 is an abundant number, since it is smaller than the sum of its proper divisors (3096334240).

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

2141143040 is an frugal number, since it uses more digits than its factorization.

2141143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2141143040 is about 46272.4868577430. The cubic root of 2141143040 is about 1288.8881391637. Note that the first 3 decimals are identical.

Adding to 2141143040 its reverse (403411412), we get a palindrome (2544554452).

The spelling of 2141143040 in words is "two billion, one hundred forty-one million, one hundred forty-three thousand, forty".