451051488 has 144 divisors (see below), whose sum is σ = 1394265600. Its totient is φ = 137790720.

The previous prime is 451051417. The next prime is 451051499. The reversal of 451051488 is 884150154.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168303 + ... + 170961.

It is an arithmetic number, because the mean of its divisors is an integer number (9682400).

Almost surely, 2^451051488 is an apocalyptic number.

451051488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451051488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697132800).

451051488 is an abundant number, since it is smaller than the sum of its proper divisors (943214112).

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

451051488 is a wasteful number, since it uses less digits than its factorization.

451051488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725 (or 2714 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 451051488 is about 21237.9727846139. The cubic root of 451051488 is about 766.9058312021.

The spelling of 451051488 in words is "four hundred fifty-one million, fifty-one thousand, four hundred eighty-eight".