80433140 has 12 divisors (see below), whose sum is σ = 168909636. Its totient is φ = 32173248.

The previous prime is 80433109. The next prime is 80433161. The reversal of 80433140 is 4133408.

It can be written as a sum of positive squares in 2 ways, for example, as 55413136 + 25020004 = 7444^2 + 5002^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2010809 + ... + 2010848.

It is an arithmetic number, because the mean of its divisors is an integer number (14075803).

Almost surely, 2^80433140 is an apocalyptic number.

It is an amenable number.

80433140 is an abundant number, since it is smaller than the sum of its proper divisors (88476496).

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

80433140 is a wasteful number, since it uses less digits than its factorization.

80433140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021666 (or 4021664 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 80433140 is about 8968.4524863546. The cubic root of 80433140 is about 431.6631819625.

Adding to 80433140 its reverse (4133408), we get a palindrome (84566548).

The spelling of 80433140 in words is "eighty million, four hundred thirty-three thousand, one hundred forty".