80964040 has 16 divisors (see below), whose sum is σ = 182169180. Its totient is φ = 32385600.

The previous prime is 80964031. The next prime is 80964041. The reversal of 80964040 is 4046908.

It can be written as a sum of positive squares in 2 ways, for example, as 80964004 + 36 = 8998^2 + 6^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80963993 and 80964011.

It is not an unprimeable number, because it can be changed into a prime (80964041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012011 + ... + 1012090.

Almost surely, 2^80964040 is an apocalyptic number.

It is an amenable number.

80964040 is an abundant number, since it is smaller than the sum of its proper divisors (101205140).

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

80964040 is a wasteful number, since it uses less digits than its factorization.

80964040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024112 (or 2024108 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 80964040 is about 8998.0020004443. The cubic root of 80964040 is about 432.6108328560.

The spelling of 80964040 in words is "eighty million, nine hundred sixty-four thousand, forty".