80395740 has 60 divisors (see below), whose sum is σ = 252209496. Its totient is φ = 21438432.

The previous prime is 80395739. The next prime is 80395751. The reversal of 80395740 is 4759308.

80395740 is a `hidden beast` number, since 80 + 3 + 9 + 574 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80395695 and 80395704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23194 + ... + 26433.

Almost surely, 2^80395740 is an apocalyptic number.

It is an amenable number.

80395740 is an abundant number, since it is smaller than the sum of its proper divisors (171813756).

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

80395740 is a wasteful number, since it uses less digits than its factorization.

80395740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49648 (or 49637 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 80395740 is about 8966.3671573274. The cubic root of 80395740 is about 431.5962663192.

The spelling of 80395740 in words is "eighty million, three hundred ninety-five thousand, seven hundred forty".