80381483520 has 480 divisors, whose sum is σ = 294705905472. Its totient is φ = 18617204736.

The previous prime is 80381483519. The next prime is 80381483563. The reversal of 80381483520 is 2538418308.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×80381483520² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22062819 + ... + 22066461.

Almost surely, 2^80381483520 is an apocalyptic number.

80381483520 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 80381483520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147352952736).

80381483520 is an abundant number, since it is smaller than the sum of its proper divisors (214324421952).

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

80381483520 is a wasteful number, since it uses less digits than its factorization.

80381483520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712 (or 3683 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 80381483520 in words is "eighty billion, three hundred eighty-one million, four hundred eighty-three thousand, five hundred twenty".