80540570880 has 1728 divisors, whose sum is σ = 378810432000. Its totient is φ = 15606743040.

The previous prime is 80540570837. The next prime is 80540570893. The reversal of 80540570880 is 8807504508.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 191 ways as a sum of consecutive naturals, for example, 738904266 + ... + 738904374.

It is an arithmetic number, because the mean of its divisors is an integer number (219219000).

Almost surely, 2^80540570880 is an apocalyptic number.

80540570880 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 80540570880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189405216000).

80540570880 is an abundant number, since it is smaller than the sum of its proper divisors (298269861120).

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

80540570880 is a wasteful number, since it uses less digits than its factorization.

80540570880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The spelling of 80540570880 in words is "eighty billion, five hundred forty million, five hundred seventy thousand, eight hundred eighty".