80670669240 has 256 divisors, whose sum is σ = 280095621120. Its totient is φ = 18206415360.

The previous prime is 80670669227. The next prime is 80670669257. The reversal of 80670669240 is 4296607608.

It is a self number, because there is not a number n which added to its sum of digits gives 80670669240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23787945 + ... + 23791335.

It is an arithmetic number, because the mean of its divisors is an integer number (1094123520).

Almost surely, 2^80670669240 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 80670669240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140047810560).

80670669240 is an abundant number, since it is smaller than the sum of its proper divisors (199424951880).

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

80670669240 is a wasteful number, since it uses less digits than its factorization.

80670669240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762 (or 3758 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 80670669240 in words is "eighty billion, six hundred seventy million, six hundred sixty-nine thousand, two hundred forty".