80408224520 has 128 divisors (see below), whose sum is σ = 206514735840. Its totient is φ = 27913175040.

The previous prime is 80408224499. The next prime is 80408224543. The reversal of 80408224520 is 2542280408.

It can be written as a sum of positive squares in 16 ways, for example, as 5497629316 + 74910595204 = 74146^2 + 273698^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9374954 + ... + 9383526.

Almost surely, 2^80408224520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80408224520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103257367920).

80408224520 is an abundant number, since it is smaller than the sum of its proper divisors (126106511320).

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

80408224520 is a wasteful number, since it uses less digits than its factorization.

80408224520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9675 (or 9671 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The spelling of 80408224520 in words is "eighty billion, four hundred eight million, two hundred twenty-four thousand, five hundred twenty".