80246029920 has 432 divisors, whose sum is σ = 305073261360. Its totient is φ = 17709468672.

The previous prime is 80246029909. The next prime is 80246029957. The reversal of 80246029920 is 2992064208.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 2767104466 + ... + 2767104494.

It is an arithmetic number, because the mean of its divisors is an integer number (706188105).

Almost surely, 2^80246029920 is an apocalyptic number.

80246029920 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 80246029920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152536630680).

80246029920 is an abundant number, since it is smaller than the sum of its proper divisors (224827231440).

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

80246029920 is an frugal number, since it uses more digits than its factorization.

80246029920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 80246029920 in words is "eighty billion, two hundred forty-six million, twenty-nine thousand, nine hundred twenty".