800046440 has 16 divisors (see below), whose sum is σ = 1800104580. Its totient is φ = 320018560.

The previous prime is 800046437. The next prime is 800046463. The reversal of 800046440 is 44640008.

It can be written as a sum of positive squares in 2 ways, for example, as 751966084 + 48080356 = 27422^2 + 6934^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10000541 + ... + 10000620.

Almost surely, 2^800046440 is an apocalyptic number.

It is an amenable number.

800046440 is an abundant number, since it is smaller than the sum of its proper divisors (1000058140).

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

800046440 is a wasteful number, since it uses less digits than its factorization.

800046440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20001172 (or 20001168 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 800046440 is about 28285.0921865212. The cubic root of 800046440 is about 928.3357293238.

Adding to 800046440 its reverse (44640008), we get a palindrome (844686448).

The spelling of 800046440 in words is "eight hundred million, forty-six thousand, four hundred forty".