80260740 has 192 divisors, whose sum is σ = 302400000. Its totient is φ = 17252352.

The previous prime is 80260729. The next prime is 80260759. The reversal of 80260740 is 4706208.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63636 + ... + 64884.

It is an arithmetic number, because the mean of its divisors is an integer number (1575000).

Almost surely, 2^80260740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80260740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151200000).

80260740 is an abundant number, since it is smaller than the sum of its proper divisors (222139260).

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

80260740 is a wasteful number, since it uses less digits than its factorization.

80260740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291 (or 1283 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 80260740 is about 8958.8358618740. The cubic root of 80260740 is about 431.3545530998.

Adding to 80260740 its reverse (4706208), we get a palindrome (84966948).

The spelling of 80260740 in words is "eighty million, two hundred sixty thousand, seven hundred forty".