80140468 has 6 divisors (see below), whose sum is σ = 140245826. Its totient is φ = 40070232.

The previous prime is 80140451. The next prime is 80140477. The reversal of 80140468 is 86404108.

It can be written as a sum of positive squares in only one way, i.e., 52388644 + 27751824 = 7238^2 + 5268^2 .

It is a super-2 number, since 2×80140468² = 12844989222518048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017555 + ... + 10017562.

Almost surely, 2^80140468 is an apocalyptic number.

It is an amenable number.

80140468 is a deficient number, since it is larger than the sum of its proper divisors (60105358).

80140468 is a wasteful number, since it uses less digits than its factorization.

80140468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20035121 (or 20035119 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 80140468 is about 8952.1208660295. The cubic root of 80140468 is about 431.1389814904.

It can be divided in two parts, 80140 and 468, that added together give a palindrome (80608).

The spelling of 80140468 in words is "eighty million, one hundred forty thousand, four hundred sixty-eight".