801944900 has 18 divisors (see below), whose sum is σ = 1740220650. Its totient is φ = 320777920.

The previous prime is 801944873. The next prime is 801944903. The reversal of 801944900 is 9449108.

It can be written as a sum of positive squares in 3 ways, for example, as 55234624 + 746710276 = 7432^2 + 27326^2 .

It is not an unprimeable number, because it can be changed into a prime (801944903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4009625 + ... + 4009824.

It is an arithmetic number, because the mean of its divisors is an integer number (96678925).

Almost surely, 2^801944900 is an apocalyptic number.

It is an amenable number.

801944900 is an abundant number, since it is smaller than the sum of its proper divisors (938275750).

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

801944900 is a wasteful number, since it uses less digits than its factorization.

801944900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019463 (or 8019456 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 801944900 is about 28318.6316759832. The cubic root of 801944900 is about 929.0694434214.

The spelling of 801944900 in words is "eight hundred one million, nine hundred forty-four thousand, nine hundred".