2043408740 has 24 divisors (see below), whose sum is σ = 4323920832. Its totient is φ = 811123040.

The previous prime is 2043408673. The next prime is 2043408743. The reversal of 2043408740 is 478043402.

It is a junction number, because it is equal to n+sod(n) for n = 2043408697 and 2043408706.

It is not an unprimeable number, because it can be changed into a prime (2043408743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387344 + ... + 392583.

It is an arithmetic number, because the mean of its divisors is an integer number (180163368).

Almost surely, 2^2043408740 is an apocalyptic number.

2043408740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043408740 is an abundant number, since it is smaller than the sum of its proper divisors (2280512092).

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

2043408740 is a wasteful number, since it uses less digits than its factorization.

2043408740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780067 (or 780065 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 2043408740 is about 45204.0787982678. The cubic root of 2043408740 is about 1268.9711509472.

The spelling of 2043408740 in words is "two billion, forty-three million, four hundred eight thousand, seven hundred forty".