801944364 has 48 divisors (see below), whose sum is σ = 2069620448. Its totient is φ = 240081408.

The previous prime is 801944333. The next prime is 801944371. The reversal of 801944364 is 463449108.

It is a happy number.

It is a super-2 number, since 2×801944364² = 1286229525902728992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63697 + ... + 75240.

Almost surely, 2^801944364 is an apocalyptic number.

It is an amenable number.

801944364 is an abundant number, since it is smaller than the sum of its proper divisors (1267676084).

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

801944364 is a wasteful number, since it uses less digits than its factorization.

801944364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138994 (or 138992 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 801944364 is about 28318.6222122475. The cubic root of 801944364 is about 929.0692364324.

The spelling of 801944364 in words is "eight hundred one million, nine hundred forty-four thousand, three hundred sixty-four".