451102040440320 has 80 divisors (see below), whose sum is σ = 1442116835557200. Its totient is φ = 120293877448704.

The previous prime is 451102040440319. The next prime is 451102040440349. The reversal of 451102040440320 is 23044040201154.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29368614745 + ... + 29368630104.

It is an arithmetic number, because the mean of its divisors is an integer number (18026460444465).

Almost surely, 2^{451102040440320} is an apocalyptic number.

451102040440320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451102040440320 is an abundant number, since it is smaller than the sum of its proper divisors (991014795116880).

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

451102040440320 is an equidigital number, since it uses as much as digits as its factorization.

451102040440320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58737244875 (or 58737244859 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 451102040440320 its reverse (23044040201154), we get a palindrome (474146080641474).

The spelling of 451102040440320 in words is "four hundred fifty-one trillion, one hundred two billion, forty million, four hundred forty thousand, three hundred twenty".