2803801640 has 64 divisors (see below), whose sum is σ = 6409324800. Its totient is φ = 1103701248.

The previous prime is 2803801639. The next prime is 2803801643. The reversal of 2803801640 is 461083082.

2803801640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2803801640² = 15722607272933379200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2803801597 and 2803801606.

It is not an unprimeable number, because it can be changed into a prime (2803801643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1095242 + ... + 1097798.

It is an arithmetic number, because the mean of its divisors is an integer number (100145700).

Almost surely, 2^2803801640 is an apocalyptic number.

2803801640 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 2803801640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3204662400).

2803801640 is an abundant number, since it is smaller than the sum of its proper divisors (3605523160).

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

2803801640 is a wasteful number, since it uses less digits than its factorization.

2803801640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994 (or 2990 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2803801640 is about 52950.9361579189. The cubic root of 2803801640 is about 1410.0973458603.

The spelling of 2803801640 in words is "two billion, eight hundred three million, eight hundred one thousand, six hundred forty".