2102143040 has 56 divisors (see below), whose sum is σ = 5074356120. Its totient is φ = 829329408.

The previous prime is 2102143019. The next prime is 2102143051. The reversal of 2102143040 is 403412012.

It can be written as a sum of positive squares in 4 ways, for example, as 77862976 + 2024280064 = 8824^2 + 44992^2 .

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, 21635 + ... + 68354.

Almost surely, 2^2102143040 is an apocalyptic number.

2102143040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102143040 is an abundant number, since it is smaller than the sum of its proper divisors (2972213080).

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

2102143040 is an equidigital number, since it uses as much as digits as its factorization.

2102143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90079 (or 90069 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2102143040 is about 45849.1334705466. The cubic root of 2102143040 is about 1281.0146252060.

Adding to 2102143040 its reverse (403412012), we get a palindrome (2505555052).

The spelling of 2102143040 in words is "two billion, one hundred two million, one hundred forty-three thousand, forty".