80880808440040 has 256 divisors, whose sum is σ = 221035192519680. Its totient is φ = 26002038865920.

The previous prime is 80880808440017. The next prime is 80880808440053. The reversal of 80880808440040 is 4004480808808.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80880808440040.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2786960730 + ... + 2786989750.

It is an arithmetic number, because the mean of its divisors is an integer number (863418720780).

Almost surely, 2^{80880808440040} 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 80880808440040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110517596259840).

80880808440040 is an abundant number, since it is smaller than the sum of its proper divisors (140154384079640).

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

80880808440040 is a wasteful number, since it uses less digits than its factorization.

80880808440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31220 (or 31216 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 52.

The spelling of 80880808440040 in words is "eighty trillion, eight hundred eighty billion, eight hundred eight million, four hundred forty thousand, forty".