451445446452 has 96 divisors (see below), whose sum is σ = 1414318639104. Its totient is φ = 108238665600.

The previous prime is 451445446391. The next prime is 451445446453. The reversal of 451445446452 is 254644544154.

It is a super-2 number, since 2×451445446452² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451445446453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18779424 + ... + 18803447.

It is an arithmetic number, because the mean of its divisors is an integer number (14732485824).

Almost surely, 2^451445446452 is an apocalyptic number.

451445446452 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

451445446452 is an abundant number, since it is smaller than the sum of its proper divisors (962873192652).

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

451445446452 is a wasteful number, since it uses less digits than its factorization.

451445446452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37582909 (or 37582907 counting only the distinct ones).

The product of its digits is 6144000, while the sum is 48.

The spelling of 451445446452 in words is "four hundred fifty-one billion, four hundred forty-five million, four hundred forty-six thousand, four hundred fifty-two".