80064450 has 120 divisors (see below), whose sum is σ = 227265588. Its totient is φ = 20891520.

The previous prime is 80064443. The next prime is 80064463. The reversal of 80064450 is 5446008.

It can be written as a sum of positive squares in 6 ways, for example, as 39576681 + 40487769 = 6291^2 + 6363^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 214464 + ... + 214836.

Almost surely, 2^80064450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80064450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113632794).

80064450 is an abundant number, since it is smaller than the sum of its proper divisors (147201138).

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

80064450 is a wasteful number, since it uses less digits than its factorization.

80064450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 80064450 is about 8947.8740491806. The cubic root of 80064450 is about 431.0026180435.

The spelling of 80064450 in words is "eighty million, sixty-four thousand, four hundred fifty".