2030843640 has 64 divisors (see below), whose sum is σ = 6962895360. Its totient is φ = 464192640.

The previous prime is 2030843623. The next prime is 2030843653. The reversal of 2030843640 is 463480302.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2030843598 and 2030843607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207996 + ... + 1209675.

It is an arithmetic number, because the mean of its divisors is an integer number (108795240).

Almost surely, 2^2030843640 is an apocalyptic number.

2030843640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030843640 is an abundant number, since it is smaller than the sum of its proper divisors (4932051720).

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

2030843640 is a wasteful number, since it uses less digits than its factorization.

2030843640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417692 (or 2417688 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 2030843640 is about 45064.8825583735. The cubic root of 2030843640 is about 1266.3647963315.

The spelling of 2030843640 in words is "two billion, thirty million, eight hundred forty-three thousand, six hundred forty".