80698234240 has 128 divisors (see below), whose sum is σ = 216792676800. Its totient is φ = 28500713472.

The previous prime is 80698234231. The next prime is 80698234241. The reversal of 80698234240 is 4243289608.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80698234241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19495 + ... + 402214.

Almost surely, 2^80698234240 is an apocalyptic number.

80698234240 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 80698234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108396338400).

80698234240 is an abundant number, since it is smaller than the sum of its proper divisors (136094442560).

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

80698234240 is a wasteful number, since it uses less digits than its factorization.

80698234240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421764 (or 421752 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 80698234240 in words is "eighty billion, six hundred ninety-eight million, two hundred thirty-four thousand, two hundred forty".