801361650 has 48 divisors (see below), whose sum is σ = 1996372224. Its totient is φ = 212729280.

The previous prime is 801361637. The next prime is 801361709. The reversal of 801361650 is 56163108.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21472 + ... + 45428.

It is an arithmetic number, because the mean of its divisors is an integer number (41591088).

Almost surely, 2^801361650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801361650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (998186112).

801361650 is an abundant number, since it is smaller than the sum of its proper divisors (1195010574).

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

801361650 is a wasteful number, since it uses less digits than its factorization.

801361650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24195 (or 24190 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 801361650 is about 28308.3318123834. The cubic root of 801361650 is about 928.8441531408.

It can be divided in two parts, 801361 and 650, that added together give a triangular number (802011 = T₁₂₆₆).

The spelling of 801361650 in words is "eight hundred one million, three hundred sixty-one thousand, six hundred fifty".