80451408 has 20 divisors (see below), whose sum is σ = 207832928. Its totient is φ = 26817120.

The previous prime is 80451407. The next prime is 80451419. The reversal of 80451408 is 80415408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80451407) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 837988 + ... + 838083.

Almost surely, 2^80451408 is an apocalyptic number.

It is an amenable number.

80451408 is an abundant number, since it is smaller than the sum of its proper divisors (127381520).

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

80451408 is a wasteful number, since it uses less digits than its factorization.

80451408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676082 (or 1676076 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 80451408 is about 8969.4708874047. The cubic root of 80451408 is about 431.6958593145.

It can be divided in two parts, 8045 and 1408, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 80451408 in words is "eighty million, four hundred fifty-one thousand, four hundred eight".