80405152 has 12 divisors (see below), whose sum is σ = 158297706. Its totient is φ = 40202560.

The previous prime is 80405147. The next prime is 80405177. The reversal of 80405152 is 25150408.

It can be written as a sum of positive squares in only one way, i.e., 79637776 + 767376 = 8924^2 + 876^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 1256299 + ... + 1256362.

Almost surely, 2^80405152 is an apocalyptic number.

It is an amenable number.

80405152 is a deficient number, since it is larger than the sum of its proper divisors (77892554).

80405152 is a wasteful number, since it uses less digits than its factorization.

80405152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512671 (or 2512663 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 80405152 is about 8966.8919922122. The cubic root of 80405152 is about 431.6131081135.

The spelling of 80405152 in words is "eighty million, four hundred five thousand, one hundred fifty-two".