800373969920 has 352 divisors, whose sum is σ = 2345216654592. Its totient is φ = 255837339648.

The previous prime is 800373969907. The next prime is 800373969949. The reversal of 800373969920 is 29969373008.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65186822 + ... + 65199098.

Almost surely, 2^800373969920 is an apocalyptic number.

800373969920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800373969920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172608327296).

800373969920 is an abundant number, since it is smaller than the sum of its proper divisors (1544842684672).

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

800373969920 is a wasteful number, since it uses less digits than its factorization.

800373969920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12433 (or 12415 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 800373969920 in words is "eight hundred billion, three hundred seventy-three million, nine hundred sixty-nine thousand, nine hundred twenty".