451040080 has 40 divisors (see below), whose sum is σ = 1082502144. Its totient is φ = 174595200.

The previous prime is 451040077. The next prime is 451040087. The reversal of 451040080 is 80040154.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451040087) 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 7 ways as a sum of consecutive naturals, for example, 88456 + ... + 93415.

Almost surely, 2^451040080 is an apocalyptic number.

451040080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451040080 is an abundant number, since it is smaller than the sum of its proper divisors (631462064).

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

451040080 is a wasteful number, since it uses less digits than its factorization.

451040080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181915 (or 181909 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 451040080 is about 21237.7042073761. The cubic root of 451040080 is about 766.8993656169.

The spelling of 451040080 in words is "four hundred fifty-one million, forty thousand, eighty".