800150409 has 6 divisors (see below), whose sum is σ = 1155772826. Its totient is φ = 533433600.

The previous prime is 800150357. The next prime is 800150459. The reversal of 800150409 is 904051008.

It can be written as a sum of positive squares in only one way, i.e., 779247225 + 20903184 = 27915^2 + 4572^2 .

It is a de Polignac number, because none of the positive numbers 2^k-800150409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800150459) 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, 44452792 + ... + 44452809.

Almost surely, 2^800150409 is an apocalyptic number.

It is an amenable number.

800150409 is a deficient number, since it is larger than the sum of its proper divisors (355622417).

800150409 is a wasteful number, since it uses less digits than its factorization.

800150409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88905607 (or 88905604 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 800150409 is about 28286.9300030951. The cubic root of 800150409 is about 928.3759411381.

The spelling of 800150409 in words is "eight hundred million, one hundred fifty thousand, four hundred nine".