2043740428 has 12 divisors (see below), whose sum is σ = 3621819040. Its totient is φ = 1008934992.

The previous prime is 2043740423. The next prime is 2043740429. The reversal of 2043740428 is 8240473402.

It is a junction number, because it is equal to n+sod(n) for n = 2043740393 and 2043740402.

It is not an unprimeable number, because it can be changed into a prime (2043740423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3233451 + ... + 3234082.

Almost surely, 2^2043740428 is an apocalyptic number.

It is an amenable number.

2043740428 is a deficient number, since it is larger than the sum of its proper divisors (1578078612).

2043740428 is a wasteful number, since it uses less digits than its factorization.

2043740428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467616 (or 6467614 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 2043740428 is about 45207.7474333769. The cubic root of 2043740428 is about 1269.0398074236.

The spelling of 2043740428 in words is "two billion, forty-three million, seven hundred forty thousand, four hundred twenty-eight".