80238740 has 24 divisors (see below), whose sum is σ = 168685440. Its totient is φ = 32060448.

The previous prime is 80238721. The next prime is 80238749. The reversal of 80238740 is 4783208.

It is a junction number, because it is equal to n+sod(n) for n = 80238697 and 80238706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80238749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24521 + ... + 27599.

It is an arithmetic number, because the mean of its divisors is an integer number (7028560).

Almost surely, 2^80238740 is an apocalyptic number.

It is an amenable number.

80238740 is an abundant number, since it is smaller than the sum of its proper divisors (88446700).

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

80238740 is a wasteful number, since it uses less digits than its factorization.

80238740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391 (or 4389 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 80238740 is about 8957.6079396232. The cubic root of 80238740 is about 431.3151371189.

The spelling of 80238740 in words is "eighty million, two hundred thirty-eight thousand, seven hundred forty".